Where does “adiosito” come from?

adiosito (Spanish) comes from Spanish adiós, from Spanish Dios, from Old Spanish dios, from Latin Deus, from Latin dẹ̄vos, from Old Latin deivos, from Proto-Italic deiwos, from Proto-Indo-European deywós — to be bright; sky, heaven.

adiosito (Spanish): Diminutive of adiós