(no longer productive) Denotes the past participle form when attached to a verb. · (archaic) Denotes a quasi-past participle or participle-like adjective when attached to a noun or verb.
From Middle English oxen, from Old English oxan, from Proto-West Germanic *ohsan, from Proto-Germanic *uhsniz, nominative and accusative plural of *uhsô (“ox”), equivalent to ox + -en (plural ending).