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.
He deals with a famous art dealer.
He has been running an art-dealing business since his father's generation.
An exhibition was held at a commercial art gallery in Ginza.
The painter sold the picture to an art dealer.
She bought an old oil painting from an art dealer.
美術商 covers dealers in all kinds of fine art, whereas 画商 specifically deals in paintings and pictures.
Compound of 画 (picture, painting) and 商 (trade, commerce). The reading がしょう is the standard on'yomi combination.