Middle English word bedoven comes from Old English bedufan (To put under, submerge, immerse, drown.), Old English dufan (To dive, sink.)

Detailed word origin of bedoven

Dictionary entry	Language	Definition
bedufan	Old English (ang)	To put under, submerge, immerse, drown.
dufan	Old English (ang)	To dive, sink.
bedūfan	Old English (ang)
bedofen	Old English (ang)	Drowned.
bedoven	Middle English (enm)