出典:Wiktionary
From Middle English unbolde, unbald, from 古期英語 unbeald (“unbold, unconfident, irresolute”), from Proto-Germanic *unbalþaz (“unbold”), equivalent to un- + bold. Cognate with Old High German unbald (“discouraged”).
unbold (三人称単数 現在形 unbolds, 現在分詞 unbolding, 過去形および過去分詞形 unbolded)
unbold (comparative more unbold, superlative most unbold)