Where does “наглухо” come from?

наглухо (Russian) comes from Russian на-, from Proto-Slavic na, from Proto-Indo-European h₂en- — on, onto.

наглухо (Russian): tightly, hermetically

Definitions

  1. tightly, hermetically

Ancestry of “наглухо”, step by step

StepLanguageWordMeaning
1Russianна-onto, upon; to repletion, to satiation, to the...
2Proto-Slavicnaon; concerning; onto
3Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European h₂en- →Every word from Russian на- →Every word from Proto-Slavic na →