noun
art dealer; picture dealer; commercial art gallery
Refers to a person or business that buys and sells artworks, especially paintings. Can also mean the gallery itself as a commercial entity.
彼は有名な画商と取引している。
He deals with a famous art dealer.
銀座の画商で展覧会が開かれた。
An exhibition was held at a commercial art gallery in Ginza.
Compound of 画 (picture, painting) and 商 (trade, commerce). The reading がしょう is the standard on'yomi combination.