Where does “*poklonъ” come from?

*poklonъ (Proto-Slavic) comes from Proto-Slavic klonъ, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

Ancestry of “*poklonъ”, step by step

Step	Language	Word	Meaning
1	Proto-Slavic	klonъ	offset, protrusion; slope; branch, twig
2	Proto-Indo-European	-nós	Creates verbal adjectives from roots

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