exigency (n.)youdaoicibaDictYouDict[exigency 词源字典]
1580s, "that which is needed," from Middle French exigence, from Latin exigentia "urgency" (see exigence). Meaning "state of being urgent" is from 1769. Related: Exigencies (1650s).[exigency etymology, exigency origin, 英语词源]