Where does “*-slavъ” come from?
*-slavъ (Proto-Slavic) comes from Proto-Slavic slàva, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.
*-slavъ (Proto-Slavic) comes from Proto-Slavic slàva, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.