excoriation (n.) Look up excoriation at Dictionary.com
mid-15c., from Medieval Latin excoriationem (nominative excoriatio), from past participle stem of Late Latin excoriare (see excoriate).
excrement (n.) Look up excrement at Dictionary.com
1530s, "waste discharged from the body," from Latin excrementum, from stem of excretus, past participle of excernere "to sift out, discharge," from ex- "out" (see ex-) + cernere "sift, separate" (see crisis). Originally any bodily secretion, especially from the bowels; exclusive sense of "feces" is since mid-18c.
excrescence (n.) Look up excrescence at Dictionary.com
early 15c., "action of growing out," from Latin excrescentia (plural) "abnormal growths," from excrescentem (nominative excrescens), present participle of excrescere "grow out, grow up," from ex- "out" (see ex-) + crescere "to grow" (see crescent). Meaning "that which grows out abnormally" (on a living thing) is from 1570s (excrescency in this sense is 1540s).
excrescent (adj.) Look up excrescent at Dictionary.com
mid-15c., from Latin excrescentem (nominative excrescens), present participle of excrescere (see excrescence).
excrete (v.) Look up excrete at Dictionary.com
1610s, from Latin excretus, past participle of excernere (see excrement). Related: Excreted; excreting.
excretion (n.) Look up excretion at Dictionary.com
c.1600, from French excrétion (16c.), from Latin excretionem, noun of action from past participle stem of excernere "to discharge" (see excrement).
excretory (adj.) Look up excretory at Dictionary.com
1680s, from excrete + -ory.
excruciate (v.) Look up excruciate at Dictionary.com
1560s, from Latin excruciatus, past participle of excruciare "to torture, torment, rack, plague;" figuratively "to afflict, harass, vex, torment," from ex- "out, thoroughly" (see ex-) + cruciare "cause pain or anguish to," literally "crucify," from crux (genitive crucis) "cross."
excruciating (adj.) Look up excruciating at Dictionary.com
1590s, present participle adjective from excruciate. Related: Excruciatingly.
exculpate (v.) Look up exculpate at Dictionary.com
1650s, from Medieval Latin exculpatus, past participle of exculpare, from Latin ex culpa, from ex "from" (see ex-) + culpa ablative of culpa "blame, fault." Related: Exculpated; exculpating.
exculpation (n.) Look up exculpation at Dictionary.com
1715, noun of action from exculpate.
exculpatory (adj.) Look up exculpatory at Dictionary.com
1780s, from exculpate + -ory.
excursion (n.) Look up excursion at Dictionary.com
1570s, "a deviation in argument," also "a military sally," from Latin excursionem (nominative excursio) "a running forth, sally, excursion, expedition," noun of action from past participle stem of excurrere "run out, run forth, hasten," from ex- "out" (see ex-) + currere "to run" (see current (adj.)). Sense of "journey" recorded in English by 1660s.
excusable (adj.) Look up excusable at Dictionary.com
late 14c., from Old French escusable, from Latin excusabilis, from excusare (see excuse (v.)). Related: Excusably.
excuse (v.) Look up excuse at Dictionary.com
early 13c., "attempt to clear (someone) from blame," from Old French escuser (12c., Modern French excuser) "apologize, make excuses; pardon, exonerate," from Latin excusare "excuse, make an excuse for, release from a charge," from ex- "out, away" (see ex-) + causa "accusation, legal action" (see cause). Meaning "to obtain exemption or release" is from mid-15c.; that of "to accept another's plea of excuse" is from early 14c. Related: Excused; excusing. Excuse me as a mild apology or statement of polite disagreement is from c.1600.
excuse (n.) Look up excuse at Dictionary.com
late 14c., "action of offering an apology," from Old French excuse, from excuser (see excuse (v.)). The sense of "that serves as a reason for being excused" is recorded from late 15c.
execrable (adj.) Look up execrable at Dictionary.com
late 14c., from Old French execrable, from Latin execrabilis/exsecrabilis "execrable, accursed," from execrari/exsecrari (see execrate). Related: Execrably.
execrate (v.) Look up execrate at Dictionary.com
1560s, from Latin execratus/exsecratus, past participle of execrari/exsecrari "to curse, utter a curse; hate, abhor," from ex- (see ex-) + sacrare "to devote to" (see sacred). Hence, "to devote off or away; to curse." Related: Execrated; execrating.
execration (n.) Look up execration at Dictionary.com
late 14c., from Latin execrationem (nominative execratio), noun of action from past participle stem of execrari "to hate, curse," from ex- "out" (see ex-) + sacrare "to devote to holiness or to destruction, consecrate," from sacer "sacred" (see sacred).
execute (v.) Look up execute at Dictionary.com
late 14c., "to carry into effect," from Old French executer (14c.), from Medieval Latin executare, from Latin execut-/exsecut-, past participle stem of exequi/exsequi "to follow out" (see execution). Meaning "to inflict capital punishment" is from late 15c. Related: Executed; executing.
execution (n.) Look up execution at Dictionary.com
late 14c., "carrying out, putting into effect; enforcement; performance (of an act), the carrying out (of a plan, etc.)," from Anglo-French execucioun (late 13c.), Old French execucion "a carrying out" (of an order, etc.), from Latin executionem (nominative executio) "an accomplishing," noun of action from past participle stem of exequi/exsequi "to follow out," from ex- "out" (see ex-) + sequi "follow" (see sequel).

Sense of "act of putting to death" (mid-14c.) is from Middle English legal phrases such as don execution of deth "carry out a sentence of death." Literal meaning "action of carrying something into effect" is from late 14c. John McKay, coach of the woeful Tampa Bay Buccaneers (U.S. football team), when asked by a reporter what he thought of his team's execution, replied, "I think it would be a good idea." Executor and executioner were formerly used indifferently, because both are carrying out legal orders.
executioner (n.) Look up executioner at Dictionary.com
"headsman," 1560s; "one who carries into effect," 1590s; agent noun from execution.
executive (adj.) Look up executive at Dictionary.com
mid-15c., "performed, carried out;" 1640s, "of the branch of government that carries out the laws," from Middle French executif, from Latin executivus, from past participle stem of exequi (see execution). The noun in this sense is from 1776, as a branch of government. Meaning "businessman" is 1902 in American English. Executive privilege is attested by 1805, American English.
executor (n.) Look up executor at Dictionary.com
c.1300, "executor of a will," from Anglo-French executour, from Latin executorem/exsecutorem, agent noun from exsequi/exsequi (see execution). Fem. form executrix is attested from late 14c. (executrice).
exegesis (n.) Look up exegesis at Dictionary.com
1610s, from Greek exegesis "explanation, interpretation," from exegeisthai "explain, interpret," from ex "out" (see ex-) + hegeisthai "to lead, guide," from PIE root *sag-. Related: Exegetical.
exegete (n.) Look up exegete at Dictionary.com
1730s, from Greek exegetes "an expounder, interpreter" (especially of the Bible), from exegeisthai (see exegesis).
exemplar (n.) Look up exemplar at Dictionary.com
late 14c., "original model of the universe in the mind of God," later (mid-15c.) "model of virtue," from Old French exemplaire (14c.) and directly from Late Latin exemplarium, from Latin exemplum (see example).
exemplary (adj.) Look up exemplary at Dictionary.com
1580s, "fit to be an example," from Middle French exemplaire, from Latin exemplaris "that serves as an example," from exemplum "example" (see example). Earlier (early 15c.) as a noun meaning "a model of conduct."
exemplification (n.) Look up exemplification at Dictionary.com
early 15c., from Anglo-French exemplification, from Medieval Latin exemplificationem (nominative exemplificatio), noun of action from past participle stem of exemplificare (see exemplify).
exemplify (v.) Look up exemplify at Dictionary.com
early 15c., "to illustrate by examples, to instruct by (good) example," from Medieval Latin exemplificare "to illustrate," from Latin exemplum (see example). Meaning "to serve as an example" is recorded from 1793. Related: Exemplified; exemplifies; exemplifying.
exempt (adj.) Look up exempt at Dictionary.com
late 14c., from Old French exempt (13c.) and directly from Latin exemptus, past participle of eximere "remove, take out, take away; free, release, deliver, make an exception of," from ex- "out" (see ex-) + emere "buy," originally "take," from PIE root *em- "to take, distribute" (cognates: Latin sumere "to take, obtain, buy," Old Church Slavonic imo "to take," Lithuanian imui, Sanskrit yamati "holds, subdues"). For sense shift from "take" to "buy," compare Old English sellan "to give," source of Modern English sell "to give in exchange for money;" Hebrew laqah "he bought," originally "he took;" and colloquial English I'll take it for "I'll buy it."
exempt (v.) Look up exempt at Dictionary.com
mid-15c., from Middle French exempter, from exempt (adj.); see exempt (adj.). Related: Exempted; exempting.
exemption (n.) Look up exemption at Dictionary.com
late 14c., from Old French exemption, exencion or directly from Latin exemptionem (nominative exemptio) "a taking out, removing," noun of action from past participle stem of eximere (see exempt (adj.)).
exercise (n.) Look up exercise at Dictionary.com
mid-14c., "condition of being in active operation; practice for the sake of training," from Old French exercice (13c.) "exercise, execution of power; physical or spiritual exercise," from Latin exercitium "training, exercise," from exercitare, frequentative of exercere "keep busy, drive on," literally "remove restraint," from ex- "off" (see ex-) + arcere "keep away, prevent, enclose," from PIE *ark- "to hold, contain, guard" (see arcane).

Original sense may have been driving farm animals to the field to plow. Meaning "physical activity" first recorded in English late 14c.; in reference to written schoolwork from early 17c. The ending was abstracted for formations such as dancercise (1967); jazzercise (1977); and boxercise (1985).
exercise (v.) Look up exercise at Dictionary.com
late 14c., "to employ, put into active use," from exercise (n.); originally "to make use of;" also in regard to mental and spiritual training; sense of "engage in physical activity" is from 1650s. Related: Exercised; exercises; exercising.
exert (v.) Look up exert at Dictionary.com
1660s, "thrust forth, push out," from Latin exertus/exsertus, past participle of exerere/exserere "thrust out, put forth," from ex- "out" (see ex-) + serere "attach, join" (see series). Meaning "put into use" is 1680s. Related: Exerted; exerting.
exertion (n.) Look up exertion at Dictionary.com
1660s, "act of exerting," from exert + -ion. Meaning "vigorous action or effort" is from 1777.
Exeter Look up Exeter at Dictionary.com
Old English Exanceaster, Escanceaster, from Latin Isca (c.150), from Celtic river name Exe "the water" + Old English ceaster "Roman town" (see Chester).
exeunt Look up exeunt at Dictionary.com
stage direction, late 15c., from Latin, literally "they go out," third person plural present indicative of exire (see exit).
exfoliate (v.) Look up exfoliate at Dictionary.com
1610s, from Late Latin exfoliatus, past participle of exfoliare "to strip of leaves," from ex- "off" (see ex-) + folium "leaf" (see folio). Related: Exfoliated; exfoliating.
exfoliation (n.) Look up exfoliation at Dictionary.com
early 15c., noun of action from Latin exfoliare (see exfoliate).
exhalation (n.) Look up exhalation at Dictionary.com
late 14c., from Latin exhalationem (nominative exhalatio), noun of action from past participle stem of exhalare (see exhale).
exhale (v.) Look up exhale at Dictionary.com
c.1400, from Middle French exhaler (14c.), from Latin exhalare "breathe out, evaporate," from ex- "out" (see ex-) + halare "breathe." Related: Exhaled; exhaling.
exhaust (v.) Look up exhaust at Dictionary.com
1530s, "to draw off or out, to use up completely," from Latin exhaustus, past participle of exhaurire "draw off, take away, use up," from ex- "off" (see ex-) + haurire "to draw up" (as water), from PIE *aus- (3) "to draw water." Of resources, etc., from 1630s. Related: Exhausted; exhausting.
exhaust (n.) Look up exhaust at Dictionary.com
"waste gas," 1848, originally from steam engines, from exhaust (v.). In reference to internal combustion engines by 1896.
exhausted (adj.) Look up exhausted at Dictionary.com
mid-17c., "consumed, used up;" of persons, "tired out," past participle adjective from exhaust (v.). Related: Exhaustedly.
exhaustion (n.) Look up exhaustion at Dictionary.com
"fatigue," 1640s, noun of action from exhaust (v.) in sense of "drawing off" of strength.
exhaustive (adj.) Look up exhaustive at Dictionary.com
1780s, from exhaust (v.) + -ive. Related: Exhaustively; exhaustiveness.
exhibit (v.) Look up exhibit at Dictionary.com
mid-15c., from Latin exhibitus, past participle of exhibere "to hold out, display, show, present, deliver" (see exhibition). Related: Exhibited; exhibiting.
exhibit (n.) Look up exhibit at Dictionary.com
1620s, "document or object produced as evidence in court," from Latin exhibitum, neuter past participle of exhibere (see exhibition). Meaning "object displayed in a fair, museum, etc." is from 1862. Transferred use of exhibit A "important piece of evidence" is by 1906.