Where does “خواب” come from?

خواب (Classical Persian) comes from Middle Persian 𐭧𐭥𐭠𐭡, from Proto-Iranian *hwápati, from Proto-Indo-Iranian swápati, from Proto-Indo-European swép-e-ti, from Proto-Indo-European swep- — to sleep.

Ancestry of “خواب”, step by step

StepLanguageWordMeaning
1Middle Persian𐭧𐭥𐭠𐭡—
2Proto-Iranian*hwápatito sleep
3Proto-Indo-Iranianswápati—
4Proto-Indo-Europeanswép-e-ti—
5Proto-Indo-Europeanswep-to sleep

Words derived from “خواب”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swép-e-ti →Every word from Proto-Indo-Iranian swápati →