Where does “a/languages M to Z” come from?

a/languages M to Z (Polish) comes from Old Polish a, from Proto-Slavic a, from Proto-Balto-Slavic ō, from Proto-Indo-European h₁ōd.

a/languages M to Z (Polish): a, near-open central vowel

Definitions

  1. a, near-open central vowel

Ancestry of “a/languages M to Z”, step by step

StepLanguageWordMeaning
1Old Polisha—
2Proto-Slavicabut; and
3Proto-Balto-Slavicōand; but
4Proto-Indo-Europeanh₁ōd—
Every word from Proto-Indo-European h₁ōd →Every word from Proto-Balto-Slavic ō →Every word from Proto-Slavic a →