Where does “Балтия” come from?

Балтия (Russian) comes from Ottoman Turkish بالطه, from Proto-Turkic baltu — axe.

Ancestry of “Балтия”, step by step

StepLanguageWordMeaning
1Ottoman Turkishبالطهax, axe
2Proto-Turkicbaltuaxe
Every word from Proto-Turkic baltuEvery word from Ottoman Turkish بالطه