elongate (v.) Look up elongate at Dictionary.com
"to make long or longer," 1530s, from Late Latin elongatus, past participle of elongare "to prolong, protract, remove to a distance," from Latin ex- "out" (see ex-) + longus "long" (see long (adj.)). Earlier in English in the same sense was elongen (mid-15c.). Related: Elongated; elongating.