Where does “теневой” come from?

теневой (Russian) comes from Russian тень, from Old East Slavic тѣнь, from Proto-Slavic těnь — shade, shadow.

теневой (Russian): shadow; shady

Definitions

  1. shadow; shady

Ancestry of “теневой”, step by step

StepLanguageWordMeaning
1Russianтеньshade; shadow; vestige, particle, atom, hint
2Old East Slavicтѣнь—
3Proto-Slavictěnьshade, shadow
Every word from Proto-Slavic těnь →Every word from Old East Slavic тѣнь →Every word from Russian тень →