Where does “-а” come from?

-а (Macedonian) comes from Proto-Slavic -a, from Proto-Indo-European -ōd.

Ancestry of “-а”, step by step

StepLanguageWordMeaning
1Proto-Slavic-aid
2Proto-Indo-European-ōd—

Words derived from “-а”

Every word from Proto-Indo-European -ōd →Every word from Proto-Slavic -a →