出典:Wiktionary
From earlier drule, apparently a corruption of drivel (compare snool from snivel). Compare also Middle English drullen (“to stagger, drool”), Dutch druilen (“to be listless, snooze”).
drool (三人称単数 現在形 drools, 現在分詞 drooling, 過去形および過去分詞形 drooled)