Where does “saludito” come from?

saludito (Spanish) comes from Spanish saludo, from Spanish saludar, from Old Spanish saludar, from Latin salūtō, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “saludito”, step by step

Step	Language	Word	Meaning
1	Spanish	saludo	greeting, greetings; salutation
2	Spanish	saludar	to greet; to wave
3	Old Spanish	saludar	—
4	Latin	salūtō	to preserve, keep safe
5	Latin	-ō	suffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
6	Proto-Indo-European	-ō	Derives nouns from roots

Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Latin salūtō →