noun
Honorific noun used in customer service contexts to refer to a customer's purchase. Often heard in phrases like お買い上げありがとうございます (thank you for your purchase).
See also: 買い上げ
お買い上げの商品はこちらでお包みいたします。
We will wrap your purchased items here.
Thank you for your purchase.
買い上げ is the non-honorific base noun meaning 'buying' or 'purchasing', used in neutral contexts. お買い上げ adds the honorific prefix お- to show respect toward the customer.
Honorific prefix お- + 買い上げ (buying, purchasing), the nominalized form of 買い上げる (to buy up, to purchase).