Where does “kleitrā” come from?

kleitrā (Proto-Italic) comes from Proto-Indo-European ḱléytreh₂, from Proto-Indo-European ḱley-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “kleitrā”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ḱléytreh₂	shelter, covering
2	Proto-Indo-European	ḱley-	to shelter, cover; to lean, slope, incline
3	Proto-Indo-European	ḱel-	to cover; to incline

Words derived from “kleitrā”

clitellum
clitellus
clitellae
Clitellata
kleitrelā
clitellum
clitellae

Every word from Proto-Indo-European ḱel- →

kleitrā — Etymology, Origin & Word History | Etymology Explorer