Where does “aniñado” come from?

aniñado (Spanish) comes from Spanish aniñar, from Galician -ar, from Galician ar, from Old Portuguese aar, from Old Portuguese aere, from Latin āēr, from Ancient Greek ἀήρ, from Ancient Greek auhḗr.

aniñado (Spanish): childish, puerile; childlike, youthful; handsome,...