The Meaning of kounyuu [購入] In Japanese

購入
こうにゅう
Romaji: kounyuu N3

What does 購入 mean?

Translation and Meaning

purchase, buying, to purchase

Definition

購入 (kounyuu) means purchase: the act or event of acquiring goods, services, rights, or assets in exchange for payment, emphasizing the transaction itself rather than ownership details.

Type

noun and verbal noun (suru-verb) (名詞・サ変動詞)

Stroke Order

Meanings

  • Formal commercial purchase: used for transactions in business, retail, and procurement contexts.
  • Digital or intangible purchase: buying software, subscriptions, or digital content.
  • Legal/contractual acquisition: used when referring to acquisition of rights, property, or stocks in formal documents.
  • Resulting possession: the item or right obtained as a consequence of completing a purchase transaction.

Origin

The compound appears as a Sino‑Japanese term adopted from Classical Chinese vocabulary and became standardized in modern Japanese commerce and law during the Meiji era and subsequent industrialization, when legal and business terminology was formalized for modern markets.

Composition

  • 購 — carries the meaning of buying or procuring, used in compounds related to purchase.
  • 入 — means to enter or put into, here implying bringing goods into one’s possession; together they form the idea of bringing something in by buying.

Usage

Common in formal and written contexts—receipts, invoices, contracts, e‑commerce sites, procurement documents—and used to describe transactions in business, government purchasing, and online shopping; grammatically it appears as a noun and as a verbal noun with する in sentences where the act of buying is described, while everyday casual speech often prefers 買う (kau).
💡 Tips
Link 購入 (kounyuu) to the image “coin you”: imagine handing a coin to get something into your hands—money goes out, item comes in, which is exactly a purchase.

Variations

  • 買う (kau): buy — common, casual verb for purchasing.
  • 購買 (koubai): purchase/procurement — slightly more formal, often institutional.
  • 取得 (shutoku): acquisition/obtainment — broader, used for rights or status.
  • 売却 (baikyaku): sell — antonym referring to disposing of an asset.
購入