Where does “Hinojosa” come from?

Hinojosa (Spanish) comes from Spanish hinojo, from Old Spanish ynojo, from Latin genuculum, from Latin geniculum, from Latin -culus, from Proto-Italic *-kelos — Diminutive suffix.

Ancestry of “Hinojosa”, step by step

Step	Language	Word	Meaning
1	Spanish	hinojo	fennel; knee
2	Old Spanish	ynojo	knee
3	Latin	genuculum	knee
4	Latin	geniculum	knee; little knot
5	Latin	-culus	Alternative form of -ulus; added to a noun to...
6	Proto-Italic	*-kelos	Diminutive suffix

Every word from Proto-Italic *-kelos →Every word from Latin -culus →Every word from Latin geniculum →