Where does “رختخواب” come from?

رختخواب (Persian) comes from Persian خواب, 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.

رختخواب (Persian): bedroll; bed

Definitions

  1. bedroll; bed

Ancestry of “رختخواب”, step by step

رختخواب traces back through two separate lines of ancestry.

via Persian خواب

StepLanguageWordMeaning
1Persianخوابdream; sleep; asleep
2Middle Persian𐭧𐭥𐭠𐭡—
3Proto-Iranian*hwápatito sleep
4Proto-Indo-Iranianswápati—
5Proto-Indo-Europeanswép-e-ti—
6Proto-Indo-Europeanswep-to sleep

via Persian رخت

StepLanguageWordMeaning
1Persianرختclothes, toggery
2Proto-Indo-Europeanh₁lengʷʰ-light
Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swép-e-ti →Every word from Proto-Indo-Iranian swápati →