Where does “Lusatia” come from?

Lusatia (English) comes from Upper Sorbian łuža, from Proto-Slavic luža, from Proto-Slavic lugja.

Ancestry of “Lusatia”, step by step

StepLanguageWordMeaning
1Upper Sorbianłužashallow pond, shallow pool, pool, puddle
2Proto-Slaviclužapuddle, pool
3Proto-Slaviclugja

Words derived from “Lusatia

Every word from Proto-Slavic lugjaEvery word from Proto-Slavic lužaEvery word from Upper Sorbian łuža