Where does “ard-sollyssid” come from?

ard-sollyssid (Manx) comes from Manx ard-sollys, from Manx sollys, from Old Irish solus, from Old Irish so, from Proto-Celtic so, from Proto-Indo-European só — this; that.

ard-sollyssid (Manx): glaringness

Definitions

glaringness

Ancestry of “ard-sollyssid”, step by step

Step	Language	Word	Meaning
1	Manx	ard-sollys	glare
2	Manx	sollys	light; lamp; bright, shining, brilliant
3	Old Irish	solus	bright, clear
4	Old Irish	so	this
5	Proto-Celtic	so	this
6	Proto-Indo-European	só	this; that

Every word from Proto-Indo-European só →Every word from Proto-Celtic so →Every word from Old Irish so →