Where does “отупеть” come from?

отупеть (Russian) comes from Russian тупе́ть, from Russian -е́ть, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei, from Proto-Indo-European -éh₁ti — Creates stative verbs from perfective roots;...

отупеть (Russian): to become blunt (of instruments)

Definitions

  1. to become blunt (of instruments)

Ancestry of “отупеть”, step by step

StepLanguageWordMeaning
1Russianтупе́тьto become blunt or more blunt, to become dull or more dull
2Russian-е́ть—
3Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
4Proto-Balto-Slavic-ēˀtei—
5Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...
Every word from Proto-Indo-European -éh₁ti →Every word from Proto-Slavic -ěti →Every word from Russian -е́ть →