库
kù · HSK 5
library
📦 广 (shelter) + 车 (cart) = where carts are stored = warehouse
库 combines 广 (a roof or shelter radical) with 车 (cart, vehicle). Originally a shed for storing chariots, it broadened to any storehouse, and in modern usage extends to digital libraries like 数据库 (database).
库 — 广 (shelter) + 车 (cart/vehicle)
库 is a semantic compound combining 广 (a roof or shelter) with 车 (cart or chariot). Originally it depicted a building where chariots and weapons were stored, hence an arsenal or storehouse. The meaning broadened over time to any warehouse, treasury, or storage facility.