Where does “بخوبی” come from?

بخوبی (Classical Persian) comes from Persian خوبی, 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- — good; to be cheerful, happy; to eat, to feast.

Ancestry of “بخوبی”, step by step

StepLanguageWordMeaning
1Persianخوبیgoodness, kindness
2Persianخوبgood; well; nice
3Middle Persian𐭧𐭥𐭡
4Old Persianʰuvāpa
5Proto-IranianHhuHā́pahgood (in works), masterly, creativity
6Proto-Indo-IranianHsuHápaswell created; artistic; doing good work
7Proto-Indo-IranianHsu-good
8Proto-Indo-Europeanh₁su-good
9Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Proto-Indo-Iranian Hsu-
بخوبی — Etymology, Origin & Word History | Etymology Explorer