child is hapi

hapi = child (noun) (some things Google found for "hapi": a common term; Hapi Mari (aka Happy Martiage!?) is a Japanese manga series; HAPI drums; Hapi brand Asian snacks; HAPI is an Egyptian river god and an Egyptian funerary deity; a brand of Chinese beer from Harbin Brewery; HAPI is an acronym for Hispanic American Periodicals Index; an unusual last name; a rare first name; similar happi is a loose, informal Japanese coat; in Finnish similar happi means oxygen; Hapi Bolaghi is the name of a place in Iran)

Word derivation for "child"
Basque = haur, Finnish = lapsi
Miresua = hapi

Another Basque word for child (or offspring) is ume, which is also used for young animals.

The words child and children can be found in Alice's Adventures in Wonderland.