noun
dyer; dye house
Refers to a person who dyes fabrics or a shop where dyeing is done.
祖父は染物屋を営んでいた。
My grandfather ran a dye house.
この着物は京都の染物屋で染めてもらった。
I had this kimono dyed at a dyer in Kyoto.
Refers to a dyeing factory or industrial facility, whereas 染物屋 suggests a smaller, traditional shop or craftsman.
Compound of 染め物 (dyed goods) + 屋 (shop, person).