exterioryoudaoicibaDictYouDict[exterior 词源字典]
exterior: see extra
[exterior etymology, exterior origin, 英语词源]
exterior (adj.)youdaoicibaDictYouDict
1520s, from Latin exterior "outward, outer, exterior," comparative of exterus "on the outside, outward, outer, of another country, foreign," itself a comparative of ex "out of" (see ex-). As a noun, "outer surface or aspect" from 1590s.