Where does “книжник” come from?

книжник (Russian) comes from Ukrainian книга, from Proto-Slavic kъňiga, from Old High German kenning — symbol, sign.

книжник (Russian): bibliophile, book lover; bookseller; bookish...

Definitions

  1. bibliophile, book lover; bookseller; bookish...

Ancestry of “книжник”, step by step

книжник traces back through two separate lines of ancestry.

via Ukrainian книга

StepLanguageWordMeaning
1Ukrainianкнигаbook
2Proto-Slavickъňigabook
3Old High Germankenningsymbol, sign

via Russian кни́га

StepLanguageWordMeaning
1Russianкни́гаbook
Every word from Old High German kenningEvery word from Proto-Slavic kъňigaEvery word from Ukrainian книга