出典:Wiktionary
出典:『Wiktionary』 (2026/03/20 19:18 UTC 版)
From a medieval given name Erwin, from Eoforwine, from 古期英語 eofor (“boar”) + wine (“friend”), the latter of which is from Proto-West Germanic *wini.
Irwin (countable and uncountable, plural Irwins)