Where does “безсъние” come from?

безсъние (Bulgarian) comes from Bulgarian сън, 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.

безсъние (Bulgarian): sleeplessness

Definitions

  1. sleeplessness

Ancestry of “безсъние”, step by step

StepLanguageWordMeaning
1Bulgarianсънsleep; dream
2Proto-Slavicsъ̀nъsleep, dream
3Proto-Balto-Slavicsupnassleep, dream
4Proto-Indo-Europeansupnóssleep; death
5Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s—
6Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →