Where does “fínn” come from?

fínn (Old Norse) comes from Latin fīnis, from Proto-Indo-European dʰnh₂-.

Ancestry of “fínn”, step by step

Step	Language	Word	Meaning
1	Latin	fīnis	—
2	Proto-Indo-European	dʰnh₂-	—

fínn — Etymology, Origin & Word History | Etymology Explorer