出典:Wiktionary
From Middle English fordon, from 古期英語 fordōn (“to undo, bring to naught, ruin, destroy, abolish, kill, corrupt, seduce, defile”), from Proto-West Germanic *fradōn (“to ruin, destroy”), equivalent to for- + do. Cognate with Saterland Frisian ferdwo (“to waste, consume”), West Frisian ferdwaan (“to waste”), Dutch verdoen (“to kill, waste”), German Low German verdoon (“to waste, consume”), German vertun (“to waste, spend, consume”).
fordo (三人称単数 現在形 fordoes, 現在分詞 fordoing, 過去形 fordid, 過去分詞 fordone)