Where does “polca” come from?

polca (Asturian) comes from French polka, from Czech Polka, from Czech půlka, from Czech půl, from Old Czech pól, from Proto-Slavic polъ, from Proto-Indo-European (s)pelH- — to split off, separate; to chop, to separate.

polca (Asturian): polka

Definitions

polka

Ancestry of “polca”, step by step

Step	Language	Word	Meaning
1	French	polka	polka dance and music
2	Czech	Polka	female Pole
3	Czech	půlka	half; cheek
4	Czech	půl	half
5	Old Czech	pól	half
6	Proto-Slavic	polъ	side, flank; half; member of a pair of options →...
7	Proto-Indo-European	(s)pelH-	to split off, separate; to chop, to separate

Every word from Proto-Indo-European (s)pelH- →