- exigence (n.)
[exigence 词源字典]
- mid-15c., "what is needed" (in a given situation), from Middle French exigence or directly from Latin exigentia "urgency," from exigentem (nominative exigens), present participle of exigere "to drive out; require, demand, claim" (see exact (v.)). From 1580s as "state of being urgent."[exigence etymology, exigence origin, 英语词源]