English
interdealer
From inter- + dealer.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Germanic *dailiz ‘part, portion, deal’
Proto-Germanic *dailijaną ‘to divide, to share, to deal’
Old English dǣlan ‘to share’
Old English dǣlere ‘dealer, divider, distributor, agent’
Middle English delare ‘a distributor or splitter’
English dealer
Today it means
adj Between dealers.
Language periods are conventional ranges, not dates for this word.
Etymograph / interdealer