Where does “тетрев” come from?

тетрев (Bulgarian) comes from Proto-Slavic tetervь, from Proto-Balto-Slavic teterwás, from Proto-Indo-European tetr̥-wó-s, from Proto-Indo-European -wós — Creates adjectives from verb stems.

тетрев (Bulgarian): black grouse

Definitions

  1. black grouse

Ancestry of “тетрев”, step by step

StepLanguageWordMeaning
1Proto-Slavictetervьgrouse; black grouse
2Proto-Balto-Slavicteterwásgrouse
3Proto-Indo-Europeantetr̥-wó-s
4Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European tetr̥-wó-sEvery word from Proto-Balto-Slavic teterwás