From Wiktionary, the free dictionary
Ultimately from Proto-Slavic *lęxъ.
лех • (leh)
- Pole (person of Polish descent).
- N. A. Baskakov, S.M. Šapšala, editor (1973), “лех”, in Karaimsko-Russko-Polʹskij Slovarʹ [Karaim-Russian-Polish Dictionary], Moscow: Moskva, →ISBN