specific (adj.)youdaoicibaDictYouDict[specific 词源字典]
1630s, "having a special quality," from French spécifique and directly from Late Latin specificus "constituting a kind or sort" (in Medieval Latin "specific, particular"), from Latin species "kind, sort" (see species). Earlier form was specifical (early 15c.). Meaning "definite, precise" first recorded 1740. Related: Specifically; specificness. [specific etymology, specific origin, 英语词源]
specific (n.)youdaoicibaDictYouDict
"a specific quality or detail," 1690s, from specific (adj.).