Where does “hwápnas” come from?

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

Ancestry of “hwápnas”, step by step

StepLanguageWordMeaning
1Indo-Iranian*swápnas—
2Proto-Indo-Europeanswépnossleep, slumber
3Proto-Indo-Europeanswopnosdream
4Proto-Indo-Europeanswep-to sleep

Words derived from “hwápnas”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swopnos →Every word from Proto-Indo-European swépnos →