BidenWiktionary 原文/ˈbaɪdən/词源链gem↓ 派生古法语Old French约 8–14 世纪bouton‘button’↓ 派生英语EnglishBiden词源说明Ultimately from Old French bouton (“button”), a metonymic surname for a button-maker, of Germanic origin. See button.释义专有名词proper noun1A surname.同族词派生词 19Beijing Biden·Biden bucks·Bidencare·Bidenese·Bidenesque·