裤子
kùzi · HSK 3
pant
👖 裤子 = kù (trousers) + zi (noun suffix)
裤 carries the 衣 (clothing) radical on the left, marking it as a garment word. The 库 (storehouse) on the right gives the kù sound. 子 is a common noun suffix, like -er or -ie in English.
子 — pictograph of a baby/child with arms out
子 began as a pictograph of a swaddled infant with a large head and outstretched arms, originally meaning 'baby' or 'child.' From there it broadened to 'son,' 'offspring,' and a respectful suffix for masters like 孔子 (Confucius). It also became one of the twelve earthly branches.