Where does “tõestus” come from?

tõestus (Estonian) comes from Estonian tõestama, from Estonian tõsi, from Proto-Finnic toci — truth.

tõestus (Estonian): proof

Definitions

  1. proof

Ancestry of “tõestus”, step by step

StepLanguageWordMeaning
1Estoniantõestamato prove, to demonstrate that something is true
2Estoniantõsitruth
3Proto-Finnictocitruth
Every word from Proto-Finnic toci →Every word from Estonian tõsi →Every word from Estonian tõestama →
tõestus — Etymology, Origin & Word History | Etymology Explorer