Where does “sprdnja” come from?
sprdnja (Serbo-Croatian) comes from Serbo-Croatian sprdati, from Serbo-Croatian pr̀deti, from Proto-Slavic pьrděti, from Proto-Balto-Slavic pirdḗˀtei, from Proto-Indo-European pr̥d-éh₁-ye-ti, from Proto-Indo-European perd- — to fart loudly, pass gas, break wind.
sprdnja (Serbo-Croatian): mockery, derision
Ancestry of “sprdnja”, step by step