Where does “fingj” come from?

fingj (Hungarian) comes from Hungarian fingik, from Hungarian fing, from Proto-Uralic pᴕnɜ — fart; let out a fart.

Ancestry of “fingj”, step by step

StepLanguageWordMeaning
1Hungarianfingikto fart
2Hungarianfingfart
3Proto-Uralicpᴕnɜfart; let out a fart
Every word from Proto-Uralic pᴕnɜEvery word from Hungarian fingEvery word from Hungarian fingik