Where does “опасен” come from?

опасен (Bulgarian) comes from Proto-Slavic *o(b)pasьnъ — circumspect, vigilant, wary, attentive.

опасен (Bulgarian): dangerous; indefinite masculine singular past...

Definitions

  1. dangerous; indefinite masculine singular past...

Ancestry of “опасен”, step by step

StepLanguageWordMeaning
1Proto-Slavic*o(b)pasьnъcircumspect, vigilant, wary, attentive
Every word from Proto-Slavic *o(b)pasьnъ