Where does “hyperfine” come from?

hyperfine (French) comes from French hyperfin, from French fin, from Middle French fin, from Old French fin, from Latin fīnis, from Proto-Indo-European dʰnh₂-.

hyperfine (French): feminine singular of hyperfin

Definitions

feminine singular of hyperfin

Ancestry of “hyperfine”, step by step

Step	Language	Word	Meaning
1	French	hyperfin	hyperfine
2	French	fin	end, close, finish; end, end goal, objective,...
3	Middle French	fin	end; finish; death
4	Old French	fin	fine, delicate
5	Latin	fīnis	end
6	Proto-Indo-European	dʰnh₂-	—

Every word from Proto-Indo-European dʰnh₂- →Every word from Latin fīnis →Every word from Old French fin →