出典:Wiktionary
From Middle English underking, from 古期英語 undercing, undercyning (“under-king, viceroy”), possibly from Proto-West Germanic *underkuning, from Proto-Germanic *underkuningaz, equivalent to under- + king. Cognate with Dutch onderkoning (“viceroy”), German Unterkönig (“underking”), Danish underkonge (“underking”), Swedish underkung (“underking”).
underking (複数形 underkings)