elapse (v.)youdaoicibaDictYouDict[elapse 词源字典]
1640s, from Middle French elapser, from Latin elapsus, past participle of elabi "slip or glide away, escape," from ex- "out, away" (see ex-) + labi "to slip, glide" (see lapse (n.)). The noun now corresponding to elapse is lapse, but elapse (n.) was in recent use. Related: Elapsed; elapsing.[elapse etymology, elapse origin, 英语词源]