尿
niào , suī · HSK 7
to urinate
🚽💧 尿 = 尸 (body) on top + 水 (water) below = water leaving the body
尿 — corpse 尸 over water 水
An ideogrammic compound combining 尸 (body, here representing a person) over 水 (water), depicting bodily fluid leaving the body. The character has retained its original meaning of urine since ancient times. The reading suī is a colloquial variant used in some dialects.