出典:Wiktionary
From Middle English gambison, from Old French gambeson, gambaison, from gambais, wambais (“quilted jerkin”), from Medieval Latin wambāsium (“doublet, waistcoat”), from Frankish *wamba (“abdomen, belly”), from Proto-Germanic *wambō (“belly, womb”): compare Middle High German wambeis, German Wams (“waistcoat, doublet”), from Old High German wamba (“stomach”). More at womb.
gambeson (複数形 gambesons)