commanding (adj.) Look up commanding at Dictionary.com
late 15c. (in astronomy), present participle adjective from command (v.). Meaning "nobly dignified" is from 1590s. Meaning "dominant by virtue of size or position" is from 1630s. Related: Commandingly (mid-15c.).
commandment (n.) Look up commandment at Dictionary.com
late 13c., "an order from an authority," from Old French comandement "order, command," from Latin *commandamentum, from *commandare (see command (v.)). Pronounced as four syllables until 17c.
Of þe x commandements ... þe first comondement is þis, O God we ssul honuri [c. 1280]
commandments (n.) Look up commandments at Dictionary.com
short for The Ten Commandments, attested from late 13c. In Old English they were ða bebodu.
commando (n.) Look up commando at Dictionary.com
Afrikaans, "a troop under a commander," from Portuguese, literally "party commanded" (see command (v.)); in use c. 1809 during the Peninsula campaign, then from 1834, in a South African sense, of military expeditions of the Boers against the natives; modern sense is from 1940 (originally shock troops to repel the threatened German invasion of England), first attested in writings of Winston Churchill, who could have picked it up during the Boer War. Phrase going commando "not wearing underwear" attested by 1996, U.S. slang, perhaps on notion of being ready for instant action.
comme il faut Look up comme il faut at Dictionary.com
1756, French, literally "as it should be;" from comme "as, like, how," from Old French com, from Vulgar Latin quomo, from Latin quomodo "how? in what way?," pronominal adverb of manner, related to quam "how much?," qui "who" (from PIE root *kwo-, stem of relative and interrogative pronouns).
commedia dell'arte (n.) Look up commedia dell'arte at Dictionary.com
1877, Italian, literally "comedy of art;" see comedy + art (n.).
commemorate (v.) Look up commemorate at Dictionary.com
1590s, from Latin commemoratus, past participle of commemorare "bring to remembrance" (see commemoration). Related: Commemorated; commemorates; commemorating.
commemoration (n.) Look up commemoration at Dictionary.com
late 14c., "a calling to mind," also "service or church festival commemorating something," from Old French comemoration, from Latin commemorationem (nominative commemoratio) "reminding, mention," noun of action from past participle stem of commemorare "to call to mind," from com-, here as an intensive prefix (see com-), + memorare "to remind," from memor "mindful of" (see memory).
commemorative (adj.) Look up commemorative at Dictionary.com
1610s, from commemorate + -ive. As a noun meaning "means of commemoration" it is recorded from 1630s; as short for commemorative postage stamp from 1916.
commen Look up commen at Dictionary.com
obsolete spelling of common.
commence (v.) Look up commence at Dictionary.com
c. 1300, from Old French comencier "to begin, start" (10c., Modern French commencer), from Vulgar Latin *cominitiare, originally "to initiate as priest, consecrate," from Latin com "with, together" (see com-) + initiare "to initiate," from initium "a beginning," noun use of neuter past participle of inire "to go into, begin," from in- "into, in" (from PIE root *en "in") + ire "to go" (from PIE root *ei- "to go").

Spelling with double -m- began in French and was established in English by 1500. Related: Commenced; commencing.
commencement (n.) Look up commencement at Dictionary.com
late 13c., "beginning," from Old French comencement "beginning, start" (Modern French commencement), from comencier (see commence). Meaning "school graduation ceremony" attested by 1850, American English. (Sense "entrance upon the privileges of a master or doctor in a university" is from late 14c.)
I know what you are thinking of -- the class members grouped in a semicircle on the stage, the three scared boys in new ready-made black suits, the seventeen pretty girls in fluffy white dresses (the gowns of the year), each senior holding a ribbon-tied manuscript bulging with thoughts on "Beyond the Alps Lies Italy," "Our Ship is Launched -- Whither Shall it Sail?" and similar topics. [Charles Moreau Harger, "The Real Commencement," "New Outlook," May 8, 1909]
commend (v.) Look up commend at Dictionary.com
mid-14c., comenden, from Latin commendare "to commit to the care or keeping (of someone), to entrust to; to commit to writing;" hence "to set off, render agreeable, praise," from com-, intensive prefix (see com-), + mandare "to commit to one's charge" (see mandate (n.)). In some senses, a shortening of recommend. Related: Commended; commending.
commendable (adj.) Look up commendable at Dictionary.com
mid-14c., from Middle French commendable, from Latin commendabilis "praiseworthy," from commendare "commit to one's care, commend" (see commend). Related: Commendably.
commendation (n.) Look up commendation at Dictionary.com
"expression of approval," late 14c. (from c. 1200 as the name of one of the Offices of the Dead), from Old French commendacion "approval, praise," from Latin commendationem (nominative commendatio) "recommendation, commendation," noun of action from past participle stem of commendare "commit to one's care, commend" (see commend).
commensal (n.) Look up commensal at Dictionary.com
"one who eats at the same table" (as another), c. 1400, from Old French commensal (15c.), from Medieval Latin commensalis, from com "with, together" (see com-) + mensa (genitive mensalis) "table" (see mesa). Biological sense attested from 1870.
commensalism (n.) Look up commensalism at Dictionary.com
1870, from commensal + -ism.
commensurable (adj.) Look up commensurable at Dictionary.com
1550s, from Late Latin commensurabilis "having a common measure," from com "together, with" (see com-) + Latin mensurabilis "that can be measured," from mensurare "to measure," from Latin mensura "a measuring, a measurement; thing to measure by," from mensus, past participle of metiri "to measure," from PIE root *me- (2) "to measure."
commensurate (adj.) Look up commensurate at Dictionary.com
1640s, from Late Latin commensuratus, from Latin com "with, together" (see com-) + Late Latin mensuratus, past participle of mensurare "to measure," from Latin mensura "a measuring, a measurement; thing to measure by," from mensus, past participle of metiri "to measure," from PIE root *me- (2) "to measure."
comment (v.) Look up comment at Dictionary.com
early 15c., from Middle French commenter (15c.), from Latin commentari, from commentum (see comment (n.)). Related: Commented; commenting.
comment (n.) Look up comment at Dictionary.com
late 14c., from Old French coment "commentary" or directly from Late Latin commentum "comment, interpretation," in classical Latin "invention, fabrication, fiction," neuter past participle of comminisci "to contrive, devise," from com-, intensive prefix (see com-), + base of meminisse "to remember," related to mens (genitive mentis) "mind" (from PIE root *men- (1) "to think").

The Latin word meaning "something invented" was taken by Isidore and other Christian theologians for "interpretation, annotation." No comment as a stock refusal to answer a journalist's question is first recorded 1950, from Truman's White House press secretary, Charles Ross.
commentary (n.) Look up commentary at Dictionary.com
1530s, from Middle French commentaire, or directly from Latin commentarius "notebook, annotation; diary, memoir," noun use of adjective, "relating to comments," from commentum (see comment (n.)). Perhaps the Latin noun is short for volumen commentarium. Originally in English as an adjective (early 15c.).
commentate (v.) Look up commentate at Dictionary.com
1794, "to comment," back-formation from commentator. Meaning "to deliver commentary" is attested from 1939 (implied in commentating). Related: Commentated; commentating.
commentator (n.) Look up commentator at Dictionary.com
late 14c., "writer of commentaries," agent noun in Latin form from comment or commentary (Latin commentator meant "inventor, author"). Middle English also had a noun commentate, attested from early 15c. Meaning "writer of notes or expository comments" is from 1640s; sense of "one who gives commentary" (originally in sports) is from 1928.
"Well, Jem, what is a commentator?["]--"Why," was Jem's reply, "I suppose it must be the commonest of all taturs." ["Smart Sayings of Bright Children," collected by Howard Paul, 1886]
commerce (n.) Look up commerce at Dictionary.com
1530s, from Middle French commerce (14c.), from Latin commercium "trade, trafficking," from com "with, together" (see com-) + merx (genitive mercis) "merchandise" (see market (n.)).
commercial (n.) Look up commercial at Dictionary.com
"an advertisement broadcast on radio or TV," 1935, from commercial (adj.).
commercial (adj.) Look up commercial at Dictionary.com
1680s, "pertaining to trade," from commerce + -al (1). Meaning "paid for by advertisements" (in reference to radio, TV, etc.) is from 1932; meaning "done for the sake of financial profit" (of art, etc.) is from 1871. Related: Commercially.
commercialism (n.) Look up commercialism at Dictionary.com
"principles and practice of commerce," 1849, from commercial (adj.) + -ism.
commercialization (n.) Look up commercialization at Dictionary.com
1889, from commercialize + noun ending -ation.
commercialize (v.) Look up commercialize at Dictionary.com
1830, from commercial (adj.) + -ize. Related: Commercialized; commercializing.
commingle (v.) Look up commingle at Dictionary.com
1620s, from com- + mingle. See comingle. Related: Commingled; commingling.
comminute (v.) Look up comminute at Dictionary.com
1620s, from Latin comminutus, past participle of comminuere "to lessen, break into smaller parts," from com "with, together" (see com-) + minuere "to make smaller" (from PIE root *mei- (2) "small"). Related: Comminuted; comminuting.
commiserate (v.) Look up commiserate at Dictionary.com
c. 1600, from Latin commiseratus, past participle of commiserari "to pity, bewail" (see commiseration). Related: Commiserated; commiserating. An Old English loan-translation of commiserate was efensargian.
commiseration (n.) Look up commiseration at Dictionary.com
1580s, from Middle French commisération, from Latin commiserationem (nominative commiseratio) "act or fact of pitying," noun of action from past participle stem of commiserari "to pity," from com- intensive prefix (see com-) + miserari "bewail, lament," from miser "wretched" (see miser).
commissar (n.) Look up commissar at Dictionary.com
1918, from Russian komissar, from German Kommissar "commissioner," from French, ultimately from Medieval Latin commissarius (see commissary).
commissariat (n.) Look up commissariat at Dictionary.com
c. 1600, in Scottish law, "commissary court," from French commissariat, from Medieval Latin *commissariatus, from commissarius (see commissary). Military use is from 1779. In reference to the USSR, "ministry," from 1918.
commissary (n.) Look up commissary at Dictionary.com
mid-14c., "one to whom special duty is entrusted by a higher power," from Medieval Latin commissarius, from Latin commissus "entrusted," past participle of committere (see commit). Originally ecclesiastical; the military sense of "official in charge of supply of food, stores, transport" dates to late 15c. Hence "storeroom" (1882) and "dining room in a larger facility" (1929, American English).
commission (v.) Look up commission at Dictionary.com
1660s, from commission (n.). Related: Commissioned; commissioning.
commission (n.) Look up commission at Dictionary.com
mid-14c., "authority entrusted to someone," from Latin commissionem (nominative commissio) "delegation of business," noun of action from past participle stem of committere (see commit). Meaning "body of persons charged with authority" is from late 15c.
commissioner (n.) Look up commissioner at Dictionary.com
early 15c., "one appointed by a commission," from Anglo-French commissionaire, from Medieval Latin commissionarius, from commissionem (see commission (n.)). Meaning "member of a commission" is from 1530s.
commit (v.) Look up commit at Dictionary.com
late 14c., "to give in charge, entrust," from Latin committere "to unite, connect, combine; to bring together," from com "with, together" (see com-) + mittere "to release, let go; send, throw" (see mission). Evolution into modern range of meanings is not entirely clear. Sense of "perpetrating" was ancient in Latin; in English from mid-15c. The intransitive use (in place of commit oneself) first recorded 1982, probably influenced by existentialism use (1948) of commitment to translate Sartre's engagement "emotional and moral engagement."
commitment (n.) Look up commitment at Dictionary.com
1610s, "action of officially consigning to the custody of the state," from commit + -ment. (Anglo-French had commettement.) Meaning "the committing of oneself, pledge, promise" is attested from 1793; hence, "an obligation, an engagement" (1864).
committal (n.) Look up committal at Dictionary.com
1620s, from commit + -al (2). As an adjective, attested from 1884, apparently a back-formation from non-committal.
committed (adj.) Look up committed at Dictionary.com
1590s, "entrusted, delegated," past participle adjective from commit (v.). Meaning "locked into a commitment" is from 1948.
committee (n.) Look up committee at Dictionary.com
1620s, from commit + -ee, or else a revival of Anglo-French commite, past participle of commettre "to commit," from Latin committere "to unite, connect" (see commit). Originally "person to whom something is committed" (late 15c.); from 17c. in reference to a body of such people.
commode (n.) Look up commode at Dictionary.com
1786, "chest of drawers," earlier (1680s) name of a type of fashionable ladies' headdress, from French commode, noun use of adjective meaning "convenient, suitable," from Latin commodus "proper, fit, appropriate, convenient, satisfactory," from com-, here as an intensive prefix (see com-), + modus "measure, manner" (from PIE root *med- "take appropriate measures"). Meaning "chair housing a chamber pot" first attested 1851 from notion of "convenience."
commodification (n.) Look up commodification at Dictionary.com
1968, from the stem of commodity + -fication "a making or causing." Originally in Marxist political theory, "the assignment of a market value," often to some quality or material the user of the word feels would be better without it.
commodify (v.) Look up commodify at Dictionary.com
1971, back-formation from commodification. Related: Commodified; commodifying.
commodious (adj.) Look up commodious at Dictionary.com
early 15c., "beneficial, convenient," from Medieval Latin commodiosus "convenient, useful," from Latin commodus "proper, fit, appropriate, convenient, satisfactory" (see commode). Meaning "roomy, spacious" first attested 1550s. Related: Commodiously; commodiousness.
commoditization (n.) Look up commoditization at Dictionary.com
1965, from commodity + -ization; the businessman's word; the Marxist's is commodification.