noun
Childish or baby-talk word for hand(s). Used by or to small children, similar to 'handy' or 'little hand' in English.
ててを洗おうね。
Let's wash our hands, okay?
赤ちゃんがててをぱちぱちしている。
The baby is clapping their hands.
Standard word for hand. てて is a childish reduplication used mainly with small children.
Reduplication of 手 (て, 'hand'), typical of Japanese baby talk and children's language.