noun
first visit without introduction
Refers to visiting an inn, restaurant, or similar establishment for the first time without a prior introduction or connection. Often used in phrases like 一見さんお断り (no first-time customers without introduction).
この料亭は一見さんお断りです。
This traditional restaurant does not accept first-time customers without an introduction.
一見の客でも気軽に入れる店です。
It's a shop where even first-time customers without an introduction can drop in casually.
初めて is a general adverb meaning 'for the first time', while 一見 specifically refers to a first visit without an introduction, often in the context of traditional establishments.
Compound of 一 (one, first) and 見 (see, visit). The exact historical derivation is uncertain, but the meaning is conventionally associated with a first, unconnected visit.