English
shareowner
From share + owner.
Proto-Indo-European *(s)koréh₂
Proto-Germanic *skarō ‘a division’
Proto-West Germanic *skaru
Old English sċearu ‘a cutting’
Middle English schare ‘a portion or share’
English share
Proto-Germanic *aiginōną ‘to take possession of, own’
Proto-West Germanic *aiganōn
Old English āgnian ‘to own, take possession’
Old English āgnere ‘owner’
Middle English ouner
English owner
Today it means
noun A shareholder.
Language periods are conventional ranges, not dates for this word.
Etymograph / shareowner