Dealer
来自Big Physics
wiktionary
From Middle English delare, from Old English dǣlere, equivalent to deal + -er. Cognate with Saterland Frisian Deeler, West Frisian dieler, Dutch deler, German Teiler, Swedish delare.
etymonline
dealer (n.)
Old English dælere "divider, distributor; agent, negotiator," agent noun from deal (v.). Meaning "player who passes out the cards in a game" is from c. 1600; meaning "one whose business is to buy and sell merchandise" is from 1610s. Meaning "purveyor of illegal drugs" is recorded by 1920.
