Where does “přěsný” come from?

přěsný (Old Czech) comes from Proto-Slavic prěsnъ, from Proto-Balto-Slavic prēˀsk-nas, from Proto-Balto-Slavic prēˀskas, from Proto-Indo-European preyskos — fresh, unsalted.

Ancestry of “přěsný”, step by step

StepLanguageWordMeaning
1Proto-Slavicprěsnъfresh, new; unleavened; raw, rough, unrefined
2Proto-Balto-Slavicprēˀsk-nas
3Proto-Balto-Slavicprēˀskasunleavened, unfermented, unsalted
4Proto-Indo-Europeanpreyskosfresh, unsalted

Words derived from “přěsný

Every word from Proto-Indo-European preyskosEvery word from Proto-Balto-Slavic prēˀskasEvery word from Proto-Balto-Slavic prēˀsk-nas