Where does “север” come from?

север (Bulgarian) comes from Old Church Slavonic сѣверъ, from Proto-Slavic sěverъ, from Proto-Balto-Slavic śḗˀweras, from Proto-Indo-European ḱeh₁wer-o-.

север (Bulgarian): north

Definitions

north

Ancestry of “север”, step by step

Step	Language	Word	Meaning
1	Old Church Slavonic	сѣверъ	—
2	Proto-Slavic	sěverъ	north
3	Proto-Balto-Slavic	śḗˀweras	—
4	Proto-Indo-European	ḱeh₁wer-o-	—

Every word from Proto-Indo-European ḱeh₁wer-o- →

север — Etymology, Origin & Word History | Etymology Explorer