What does caca mean?

poop
Caca is a baby talk or slang way of saying poop. … Caca is often used by young children, especially because it is easy to say. But adults also use the word as a slang term or to be humorous. Example: The little girl told her mom that she had caca in her diaper.

Why is poop called Caca?

caca (n.) “excrement,” c. 1870, slang, probably from Spanish or another language that uses it, ultimately from PIE root *kakka- “to defecate,” which forms the base word for “excrement, to void excrement” in many Indo-European languages.