Where does “*ahmidak” come from?

*ahmidak (Proto-Finno-Ugric) comes from Proto-Finnic -idak, from Proto-Uralic -j-.

Ancestry of “*ahmidak”, step by step

StepLanguageWordMeaning
1Proto-Finnic-idakapplicative suffix
2Proto-Uralic-j-—
Every word from Proto-Uralic -j- →Every word from Proto-Finnic -idak →