Where does “-пять” come from?

-пять (Russian) comes from Proto-Slavic pęti, from Proto-Balto-Slavic pínˀtei, from Proto-Indo-European (s)penh₁- — to twist; to weave.

Ancestry of “-пять”, step by step

StepLanguageWordMeaning
1Proto-Slavicpętito stretch; to tie, fix together
2Proto-Balto-Slavicpínˀteito braid; to stretch
3Proto-Indo-European(s)penh₁-to twist; to weave

Words derived from “-пять”

Every word from Proto-Indo-European (s)penh₁- →Every word from Proto-Balto-Slavic pínˀtei →Every word from Proto-Slavic pęti →