Where does “Tatárlaka” come from?

Tatárlaka (Hungarian) comes from Proto-Germanic laka-, from Proto-Indo-European lā- — to drive, move, go.

Ancestry of “Tatárlaka”, step by step

Tatárlaka traces back through two separate lines of ancestry.

via Proto-Germanic laka-

StepLanguageWordMeaning
1Proto-Germaniclaka-
2Proto-Indo-Europeanlā-to drive, move, go

via Hungarian tatár

StepLanguageWordMeaning
1Hungariantatár
Every word from Proto-Indo-European lā-Every word from Proto-Germanic laka-