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.
Rare kanji spelling using the iteration mark 々.
Rare kanji spelling without the iteration mark.
Reduplication of 手 (て, 'hand'), typical of Japanese baby talk and children's language.