Where does “цікавы” come from?
цікавы (Belarusian) comes from Polish ciekawy, from Polish -awy, from Polish szpat, from German spät, from Middle High German spǣte, from Old High German spāti, from Proto-West Germanic *spādī, from Proto-Germanic spēdiz — to succeed, to prosper.
цікавы (Belarusian): interesting; curious
Ancestry of “цікавы”, step by step