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."
双语例句
1. In such an exigence my uncle's advice and assistance would be everything in the world.