abstemious (adj.)youdaoicibaDictYouDict[abstemious 词源字典]
c. 1600, from Latin abstemius "sober, temperate," from ab(s)- "from" (see ab-) + stem of temetum "strong drink," related to temulentus "drunken." Technically, of liquor, but extended in Latin to temperance in living generally. Related: Abstemiously; abstemiousness.[abstemious etymology, abstemious origin, 英语词源]