Where does “sinfín” come from?

sinfín (Spanish) comes from Spanish fin, from Old Spanish fin, from Latin finis, from Proto-Indo-European dʰeygʷ- — to stick into, pierce; to dig; to ditch; to...

sinfín (Spanish): ton; mountain; plethora; myriad an abundant quantity

Definitions

ton; mountain; plethora; myriad an abundant quantity

Ancestry of “sinfín”, step by step

sinfín traces back through two separate lines of ancestry.

via Spanish fin

Step	Language	Word	Meaning
1	Spanish	fin	end; purpose, aim, objective, goal; end, stop,...
2	Old Spanish	fin	—
3	Latin	finis	end; limit, border, bound boundary, frontier;...
4	Proto-Indo-European	dʰeygʷ-	to stick into, pierce; to dig; to ditch; to...

via Spanish sin

Step	Language	Word	Meaning
1	Spanish	sin	without
2	Old Spanish	sin	without
3	Latin	sine	without; second-person singular present active...
4	Proto-Indo-European	swé	self

Every word from Proto-Indo-European dʰeygʷ- →Every word from Latin finis →Every word from Old Spanish fin →