Where does “kravín” come from?

kravín (Czech) comes from Czech kráva, from Old Czech kráva, from Proto-Slavic kòrva, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

kravín (Czech): cow house, cowshed enclosure where cows are kept

Definitions

cow house, cowshed enclosure where cows are kept

Ancestry of “kravín”, step by step

Step	Language	Word	Meaning
1	Czech	kráva	cow; bitch; big, large object
2	Old Czech	kráva	cow
3	Proto-Slavic	kòrva	cow
4	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
5	Proto-Indo-European	kr̥-	to turn, to bend
6	Proto-Indo-European	ker-	army

Every word from Proto-Indo-European ker- →Every word from Proto-Indo-European kr̥- →Every word from Proto-Indo-European ḱer- →