eject (v.)youdaoicibaDictYouDict[eject 词源字典]
mid-15c., from Latin eiectus "thrown out," past participle of eicere "throw out, cast out, thrust out; drive into exile, expel, drive away," from ex- "out" (see ex-) + -icere, comb. form of iacere "to throw" (see jet (v.)). Related: Ejected; ejecting. Ejecta "matter thrown out by a volcano" is from 1851.[eject etymology, eject origin, 英语词源]