Where does “Litva” come from?

Litva (Slovak) comes from Proto-Slavic Litъva, from Old Lithuanian Lietuva.

Ancestry of “Litva”, step by step

StepLanguageWordMeaning
1Proto-SlavicLitъva—
2Old LithuanianLietuva—
Every word from Old Lithuanian Lietuva →Every word from Proto-Slavic Litъva →
Litva — Etymology, Origin & Word History | Etymology Explorer