Where does “بد خوب” come from?

بد خوب (Pashto) comes from Persian خوب, from Middle Persian 𐭧𐭥𐭡, from Old Persian ʰuvāpa, from Proto-Iranian HhuHā́pah, from Proto-Indo-Iranian HsuHápas, from Proto-Indo-Iranian Hsu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

بد خوب (Pashto): nightmare, bad dream

Definitions

  1. nightmare, bad dream

Ancestry of “بد خوب”, step by step

بد خوب traces back through two separate lines of ancestry.

via Persian خوب

StepLanguageWordMeaning
1Persianخوبgood; well; nice
2Middle Persian𐭧𐭥𐭡
3Old Persianʰuvāpa
4Proto-IranianHhuHā́pahgood (in works), masterly, creativity
5Proto-Indo-IranianHsuHápaswell created; artistic; doing good work
6Proto-Indo-IranianHsu-good
7Proto-Indo-Europeanh₁su-good
8Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via Pashto بد

StepLanguageWordMeaning
1Pashtoبدbad; badly
2Classical Persianبد
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Proto-Indo-Iranian Hsu-