購こう入にゅう先さきMeanings1nounsupplier; vendor; retailer; where one buys somethingRefers to the place, company, or person from whom one purchases goods or services. Often used in business contexts.新あたらしいパソコンの購こう入にゅう先さきを探さがしています。I'm looking for a place to buy a new computer.この部ぶ品ひん