living (adj.)youdaoicibaDictYouDict[living 词源字典]
"alive," also "residing, staying," c. 1200, from present participle of live (v.)).[living etymology, living origin, 英语词源]
living (n.)youdaoicibaDictYouDict
"living persons," late Old English; early 14c. as "the fact of dwelling in some place," from Old English lifiende "that lives or has life," present participle of lifan (see live (v.)). The meaning "action, process, or method of gaining one's livelihood" is attested from c. 1400.