Where does “bezsennie” come from?

bezsennie (Polish) comes from Polish bezsenny, from Old Polish sen, from Proto-Slavic sъ̀nъ, from Proto-Balto-Slavic supnas, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

bezsennie (Polish): sleeplessly

Definitions

  1. sleeplessly

Ancestry of “bezsennie”, step by step

StepLanguageWordMeaning
1Polishbezsennysleepless
2Old Polishsensleep
3Proto-Slavicsъ̀nъsleep, dream
4Proto-Balto-Slavicsupnassleep, dream
5Proto-Indo-Europeansupnóssleep; death
6Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s
7Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep-