Where does “блато” come from?

блато (Church Slavonic) comes from Proto-Slavic bolto, from Proto-Balto-Slavic balta.

Ancestry of “блато”, step by step

StepLanguageWordMeaning
1Proto-Slavicboltoswamp; mud
2Proto-Balto-Slavicbalta—

Words derived from “блато”

Every word from Proto-Balto-Slavic balta →Every word from Proto-Slavic bolto →