語源 1790, "periodically recurring," from Latin recurs-, stem of recurrere "run back" (see recur) + -ive. Mathematical sense is from 1934. Related: Recursively; recursiveness. ChatGPT訳： 1790年、「定期的に繰り返される」という意味で、ラテ…

語源 www.etymonline.com 1600, "action of choosing;" 1630s, "power or liberty of choosing," from French option (Old French opcion), from Latin optionem (nominative optio) "choice, free choice, liberty to choose," from optare "to desire, pra…

語源 www.etymonline.com mid-14c., prompten, "to incite to action, urge," from the adjective or from Latin promptus, past participle of promere "to bring forth," from pro "forward" (from PIE root per- (1) "forward") + emere "to take" (from …

語源 www.etymonline.com 1786 as a military word, "extend (troops) in a line, expand (a unit which had been formed in columns)," from French déployer "unroll, unfold," from Old French desploiier "unfold," from Latin displicare "unfold, scat…

語源 1580s, "offering one or the other of two," from Medieval Latin alternativus, from Latin alternatus, past participle of alternare "do one thing and then another, do by turns," from alternus "one after the other, alternate, in turns, re…

語源 www.etymonline.com late 14c., "become more severe;" c. 1400, "to make larger; become larger," from Old French augmenter "increase, enhance" (14c.), from Late Latin augmentare "to increase," from Latin augmentum "an increase, growth," …

語源 www.etymonline.com 1580s, "move from place to place in a ship, sail" (intrans.), a back-formation from navigation, or else from Latin navigatus, past-participle of navigare "to sail, sail over, go by sea, steer a ship," from navis "sh…