Where does “*kleitā” come from?

*kleitā (Proto-Celtic) comes from Proto-Indo-European ḱley-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “*kleitā”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ḱley-	to shelter, cover; to lean, slope, incline
2	Proto-Indo-European	ḱel-	to cover; to incline

*kleitā — Etymology, Origin & Word History | Etymology Explorer