Where does “*swápnas” come from?

*swápnas (Indo-Iranian) comes from Proto-Indo-European swépnos, from Proto-Indo-European swopnos, from Proto-Indo-European swep- — to sleep.

Ancestry of “*swápnas”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanswépnossleep, slumber
2Proto-Indo-Europeanswopnosdream
3Proto-Indo-Europeanswep-to sleep

Words derived from “*swápnas

Every word from Proto-Indo-European swep-Every word from Proto-Indo-European swopnosEvery word from Proto-Indo-European swépnos
*swápnas — Etymology, Origin & Word History | Etymology Explorer