Where does “дишаб” come from?

дишаб (Tajik) comes from Persian دیشب, from Persian شب, from Old Persian 𐎧𐏁𐎱, from Proto-Iranian xšáfš, from Proto-Indo-Iranian kšáps, from Proto-Indo-European kʷséps — night.

дишаб (Tajik): last night

Definitions

  1. last night

Ancestry of “дишаб”, step by step

StepLanguageWordMeaning
1Persianدیشبlast night
2Persianشبnight; evening
3Old Persian𐎧𐏁𐎱night
4Proto-Iranianxšáfšnight
5Proto-Indo-Iraniankšápsnight
6Proto-Indo-Europeankʷsépsnight
Every word from Proto-Indo-European kʷséps →Every word from Proto-Indo-Iranian kšáps →Every word from Proto-Iranian xšáfš →