Where does “спеть” come from?

спеть (Russian) comes from Old East Slavic спѣти, from Proto-Slavic spěti, from Proto-Balto-Slavic spḗˀtei, from Proto-Indo-European spéh₁-, from Proto-Indo-European speh₁- — to succeed, to prosper.

спеть (Russian): to ripen; to sing; to crow

Definitions

  1. to ripen; to sing; to crow

Ancestry of “спеть”, step by step

спеть traces back through two separate lines of ancestry.

via Old East Slavic спѣти

StepLanguageWordMeaning
1Old East Slavicспѣтиto hasten, to succeed
2Proto-Slavicspětito advance, ripen, hurry
3Proto-Balto-Slavicspḗˀteito be able to manage
4Proto-Indo-Europeanspéh₁-to succeed, to prosper
5Proto-Indo-Europeanspeh₁-to succeed, to prosper

via Russian пе́ть

StepLanguageWordMeaning
1Russianпе́тьto sing
2Proto-Slavicpětito sing
3Proto-Indo-EuropeanpoiH-

Words derived from “спеть

Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European spéh₁-Every word from Proto-Balto-Slavic spḗˀtei