Where does “stíll” come from?

stíll (Old Norse) comes from Latin stilus, from Proto-Indo-European (s)teyg- — to be sharp; to sting.

stíll (Old Norse): style

Definitions

Step	Language	Word	Meaning
1	Latin	stilus	A pointed instrument; stake, pale, spike; A...
2	Proto-Indo-European	(s)teyg-	to be sharp; to sting

stíll — Etymology, Origin & Word History | Etymology Explorer