屎尿
しにょう · shinyou · JLPT N1 · noun
human waste
💩🚽 屎 = feces + 尿 = urine: together they make 屎尿, all human waste
Both characters name bodily waste: 屎 is solid feces and 尿 is liquid urine. Joined as 屎尿 (shinyou), they cover all human waste.
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.