購入
こうにゅう · kounyuu · JLPT N1 · noun
buy
🛒 購 (buy) + 入 (enter): a purchase brings goods into your possession
購 means buy or acquire, and 入 means enter or put in. Together they describe goods entering your possession through payment. Pronounced kounyuu, with a long o sound.
入 — single pictograph, two slanting strokes
入 is a pictograph showing an arrowhead or pointed entrance, with two strokes converging downward to suggest something going inward. The original sense was 'to enter,' and it still carries that meaning today. It contrasts visually with 人 (person), where the strokes cross differently at the top.