Where does “Fermín” come from?

Fermín (Spanish) comes from Latin Firminus, from Latin Firmus, from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.

Ancestry of “Fermín”, step by step

Step	Language	Word	Meaning
1	Latin	Firminus	—
2	Latin	Firmus	—
3	Proto-Italic	fermos	—
4	Proto-Indo-European	dʰer-mo-s	holding
5	Proto-Indo-European	dʰer-	to support; to hold

Every word from Proto-Indo-European dʰer- →

Fermín — Etymology, Origin & Word History | Etymology Explorer