noun
clothing store; boutique; dress shop
A shop that sells clothing and accessories; can range from a small boutique to a larger apparel store.
駅前に新しい服飾店がオープンした。
A new clothing store opened in front of the station.
彼女は高級服飾店でドレスを買った。
She bought a dress at a high-end boutique.
アパレルショップ is a loanword often used for fashion retail stores, similar in meaning but more casual and modern in feel.
Compound of 服飾 (clothing and accessories) + 店 (shop). The exact historical derivation is straightforward from the kanji components.