vegetate (v.)youdaoicibaDictYouDict[vegetate 词源字典]
c. 1600, "to grow as plants do," perhaps a back-formation from vegetation, or from Latin vegetatus, past participle of vegetare "to enliven, to animate" (see vegetable (adj.)). Sense of "to lead a dull, empty, or stagnant life" is from 1740. Related: Vegetated; vegetating.[vegetate etymology, vegetate origin, 英语词源]