Where does “slí” come from?

slí (Irish) comes from Middle Irish slige, from Old Irish slige, from Old Irish sligid, from Celtic *sligeti, from Proto-Indo-European sleyǵ- — to glide, smooth, spread; to smear; to creep; to...

slí (Irish): way

Definitions

Ancestry of “slí”, step by step

slí traces back through two separate lines of ancestry.

via Middle Irish slige

Step	Language	Word	Meaning
1	Middle Irish	slige	road, way, passage
2	Old Irish	slige	comb
3	Old Irish	sligid	to strike down, fell
4	Celtic	*sligeti	—
5	Proto-Indo-European	sleyǵ-	to glide, smooth, spread; to smear; to creep; to...

via Proto-Tai siːᴮ

Step	Language	Word	Meaning
1	Proto-Tai	siːᴮ	four
2	Middle Chinese	四	—
3	Proto-Sino-Tibetan	*pV-lij	four

Words derived from “slí”

slite

Every word from Proto-Indo-European sleyǵ- →Every word from Celtic *sligeti →Every word from Old Irish sligid →