Where does “Lenkija” come from?

Lenkija (Lithuanian) comes from Lithuanian lenkas, from Old East Slavic лѧхъ, from Proto-Slavic lęxъ, from Proto-Slavic lęděninъ, from Proto-Slavic lędo, from Proto-Indo-European lendʰ- — land, heath; loins.

Ancestry of “Lenkija”, step by step

StepLanguageWordMeaning
1LithuanianlenkasPole
2Old East SlavicлѧхъLechite; Pole
3Proto-Slaviclęxъ—
4Proto-Slaviclęděninъdweller of wasteland / wold, virgin soil
5Proto-Slaviclędoheath, arid land, uncultivated field
6Proto-Indo-Europeanlendʰ-land, heath; loins
Every word from Proto-Indo-European lendʰ- →Every word from Proto-Slavic lędo →Every word from Proto-Slavic lęděninъ →