Where does “авансом” come from?

авансом (Ukrainian) comes from Russian -о́м, from Proto-Slavic *-omъ.

авансом (Ukrainian): up front, in advance esp. of payments

Definitions

  1. up front, in advance esp. of payments

Ancestry of “авансом”, step by step

StepLanguageWordMeaning
1Russian-о́м—
2Proto-Slavic*-omъ—
Every word from Proto-Slavic *-omъ →Every word from Russian -о́м →