出典:Wiktionary
From Middle English withgon (“to be in opposition to, vanish”), from 古期英語 wiþgān (“to go against, oppose, pass away, vanish, disappear”), equivalent to with- + go.
withgo (三人称単数 現在形 withgoes, 現在分詞 withgoing, 過去形 withwent, 過去分詞 withgone)