Where does “kapra” come from?

kapra (Hungarian) comes from Hungarian kapor, from Proto-Slavic koprъ, from Proto-Slavic -rъ, from Proto-Indo-European -rós — Forms adjectives from Caland system roots.

Ancestry of “kapra”, step by step

Step	Language	Word	Meaning
1	Hungarian	kapor	dill (herb)
2	Proto-Slavic	koprъ	dill
3	Proto-Slavic	-rъ	From intransitive verbs or basic 0-grade stems,...
4	Proto-Indo-European	-rós	Forms adjectives from Caland system roots

Every word from Proto-Indo-European -rós →Every word from Proto-Slavic -rъ →Every word from Proto-Slavic koprъ →