Where does “твърдя” come from?

твърдя (Bulgarian) comes from Proto-Slavic *tvьrditi — to harden.

твърдя (Bulgarian): to claim, to assert, to state, to maintain to declare something with conviction, usually presenting it as true

Definitions

  1. to claim, to assert, to state, to maintain to declare something with conviction, usually presenting it as true

Ancestry of “твърдя”, step by step

StepLanguageWordMeaning
1Proto-Slavic*tvьrditito harden
Every word from Proto-Slavic *tvьrditi