Where does “Пятикнижие” come from?

Пятикнижие (Russian) comes from Russian пять, from Old Church Slavonic пѧть, from Proto-Slavic pętь, from Proto-Indo-European pénkʷe — five.

Пятикнижие (Russian): Pentateuch the first five books of the Bible

Definitions

  1. Pentateuch the first five books of the Bible

Ancestry of “Пятикнижие”, step by step

Пятикнижие traces back through two separate lines of ancestry.

via Russian пять

StepLanguageWordMeaning
1Russianпятьfive; second-person singular imperative...
2Old Church Slavonicпѧтьfive
3Proto-Slavicpętьfive
4Proto-Indo-Europeanpénkʷefive

via Russian кни́га

StepLanguageWordMeaning
1Russianкни́гаbook
2Proto-Slavickъňigabook
3Old High Germankenningsymbol, sign
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Slavic pętь →Every word from Old Church Slavonic пѧть →