Middle English word foreseen comes from Old English sēon, Old English fore-, Old English seon (To see.), Old English for-

Detailed word origin of foreseen

Dictionary entry	Language	Definition
sēon	Old English (ang)
fore-	Old English (ang)	Before, in front of, pro-. First, prime, occupying a prominent position. Very, supremely, foremost.
seon	Old English (ang)	To see.
for-	Old English (ang)	Forming verbs from verbs with various senses especially ‘wrongly, away from, astray, abstention, prohibition, perversion, destruction’. Used to create intensified adjectives and verbs from other adjectives and verbs, with the sense of completely or fully. Compare Modern English use of up. Very.
forsēon	Old English (ang)
foresēon	Old English (ang)
forseon	Old English (ang)	To overlook.. To reject, neglect, renounce. To scorn, be ashamed of, despise; see as bad or wrong.
foreseon	Old English (ang)	To see beforehand; foresee, provide.
forsen	Middle English (enm)

Words with the same origin as foreseen