Where does “sular” come from?

sular (Irish) comes from Irish sula, from Old Irish sul, from Old Irish ro-, from Proto-Celtic ɸro-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

sular (Irish): before

Definitions

before

Ancestry of “sular”, step by step

Step	Language	Word	Meaning
1	Irish	sula	before
2	Old Irish	sul	—
3	Old Irish	ro-	indicates a perfective aspect; indicates...
4	Proto-Celtic	ɸro-	before, in front of; in addition; to completion
5	Proto-Indo-European	per-	before, in front; first; to go through
6	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Old Irish ro- →