inject (v.)youdaoicibaDictYouDict[inject 词源字典]
c. 1600, from Latin iniectus "a casting on, throwing over," past participle of inicere "to throw in or on," from in- "in" (see in- (2)) + -icere, comb. form of iacere "to throw" (see jet (v.)). Related: Injectable; injected; injecting.[inject etymology, inject origin, 英语词源]