Where does “тупъ” come from?

тупъ (Old East Slavic) comes from Proto-Slavic tǫpъ — dull, blunt.

Ancestry of “тупъ”, step by step

StepLanguageWordMeaning
1Proto-Slavictǫpъdull, blunt

Words derived from “тупъ

Every word from Proto-Slavic tǫpъ
тупъ — Etymology, Origin & Word History | Etymology Explorer