Where does “birmovanie” come from?
birmovanie (Slovak) comes from Slovak birmovať, from Middle High German firmen, from Old High German firmōn, from Latin firmāre, from Latin Firmus, from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.
birmovanie (Slovak): confirmation
Ancestry of “birmovanie”, step by step