Middle English word overgon comes from Old English gān, Old English gan (To go.), Old English ofer-

Detailed word origin of overgon

Dictionary entry	Language	Definition
gān	Old English (ang)
gan	Old English (ang)	To go.
ofer-	Old English (ang)	Used to form nouns, verbs, adjectives, adverbs and prepositions having intensive force, or with a sense of "going over, above".
ofergān	Old English (ang)
ofergan	Old English (ang)	To go across, traverse, pass off or away, come to an end.. To go or pass over a limit, transgress.. To overspread, overrun, conquer, be over anything, come upon, attack; onfall.
overgon	Middle English (enm)

Words with the same origin as overgon