Where does “suanlios” come from?

suanlios (Irish) comes from Irish suan, from Old Irish súan, from Proto-Celtic sounos, from Proto-Indo-European swépnos, from Proto-Indo-European swopnos, from Proto-Indo-European swep- — to sleep.

suanlios (Irish): dormitory

Definitions

dormitory

Ancestry of “suanlios”, step by step

suanlios traces back through two separate lines of ancestry.

via Irish suan

Step	Language	Word	Meaning
1	Irish	suan	sleep, slumber
2	Old Irish	súan	slumber, sleep
3	Proto-Celtic	sounos	sleep
4	Proto-Indo-European	swépnos	sleep, slumber
5	Proto-Indo-European	swopnos	dream
6	Proto-Indo-European	swep-	to sleep

via Irish lios

Step	Language	Word	Meaning
1	Irish	lios	enclosed ground of dwelling-house; enclosed...
2	Old Irish	lés	light, radiance; daylight; illumination
3	Proto-Celtic	*ḷsso-s	—
4	Proto-Indo-European	*pl̥t-to-	—

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swopnos →Every word from Proto-Indo-European swépnos →