Where does “основа́телен” come from?

основа́телен (Bulgarian) comes from Bulgarian основа́, from Bulgarian о-, from Old Church Slavonic о-, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

основа́телен (Bulgarian): valid, well-founded, reasonable

Definitions

  1. valid, well-founded, reasonable

Ancestry of “основа́телен”, step by step

основа́телен traces back through two separate lines of ancestry.

via Bulgarian основа́

StepLanguageWordMeaning
1Bulgarianоснова́foundation, fundament, substructure the lowest load-bearing part of a building, typically underground
2Bulgarianо-forms perfective verbs from imperfective ones, indicating completion, exhaustiveness, or bringing an action to an end
3Old Church Slavonicо-prefix added to verbs of motion: about, around
4Proto-Slavico(b)around, about; concerning; against, on
5Proto-Balto-Slavicab
6Proto-Indo-Europeanh₃ebʰi

via Bulgarian телен

StepLanguageWordMeaning
1Bulgarianтелен

Words derived from “основа́телен

Every word from Proto-Indo-European h₃ebʰiEvery word from Proto-Balto-Slavic abEvery word from Proto-Slavic o(b)