Vlach (n.)youdaoicibaDictYouDict[Vlach 词源字典]
"member of a Latin-speaking race of the Balkans, a Walachian or Rumanian," 1841, from Bulgarian vlakh or Serbian vlah, from Old Church Slavonic vlakhu, a Slavic adoptation of Germanic *walh (source of Old English wealh) "foreigner," especially applied to Celts and Latins (see Welsh).[Vlach etymology, Vlach origin, 英语词源]