Where does “первобытный” come from?

первобытный (Russian) comes from Russian быть, from Old East Slavic бꙑти, from Proto-Slavic *byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

первобытный (Russian): primeval

Definitions

  1. primeval

Ancestry of “первобытный”, step by step

первобытный traces back through two separate lines of ancestry.

via Russian быть

StepLanguageWordMeaning
1Russianбытьto be
2Old East Slavicбꙑтиto be
3Proto-Slavic*byti
4Proto-Balto-Slavicbū́ˀteito be
5Proto-Indo-EuropeanbʰuH-to become, grow, appear

via Russian пе́рвый

StepLanguageWordMeaning
1Russianпе́рвыйfirst
Every word from Proto-Indo-European bʰuH-Every word from Proto-Balto-Slavic bū́ˀteiEvery word from Proto-Slavic *byti