Where does “коварнути” come from?
коварнути (Serbo-Croatian) comes from Serbo-Croatian ко̀вати, from Proto-Slavic kovàti, from Proto-Indo-European kewh₂- — to hit, to strike; to forge.
коварнути (Serbo-Croatian) comes from Serbo-Croatian ко̀вати, from Proto-Slavic kovàti, from Proto-Indo-European kewh₂- — to hit, to strike; to forge.