expression, godan verb (-su)
sell wholesale to a retailer
A set phrase used in business contexts to describe the act of a wholesaler selling goods to a retail store.
当社は全国の小売店に小売りに卸しています。
Our company sells wholesale to retail stores nationwide.
Compound of 小売り (retail) + に (particle) + 卸す (to sell wholesale). The exact historical derivation is uncertain, but the phrase is a conventional business expression.