I. ˈsēn adjective
Etymology: Middle English seyn, from past participle of seen, sen to see
1. : perceived or verified by sight : visible
seen beauty
2. archaic : learned in a particular field : versed
a schoolmaster well seen in music — Shakespeare
II.
Etymology: Middle English sene, seyn (past participle), from Old English gesegen
past part & nonstandard past of see