Where does “Saturnina” come from?

Saturnina (Cebuano) comes from Spanish Saturnina, from Old French saturnin, from Latin Sāturnīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Saturnina”, step by step

Step	Language	Word	Meaning
1	Spanish	Saturnina	—
2	Old French	saturnin	—
3	Latin	Sāturnīnus	—
4	Latin	-īnus	of or pertaining to; -ine
5	Proto-Italic	-īnos	of/belonging to
6	Proto-Indo-European	-iHnos	Creates adjectives of materials
7	Proto-Indo-European	-no-	adjectival suffix

Every word from Proto-Indo-European -no- →Every word from Latin -īnus →Every word from Proto-Italic -īnos →