Where does “آسمان” come from?

آسمان (Classical Persian) comes from Proto-Indo-Iranian Háćmā, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “آسمان”, step by step

StepLanguageWordMeaning
1Proto-Indo-IranianHáćmāstone; thunderbolt, sky?
2Proto-Indo-Europeanh₂éḱmōstone
3Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “آسمان

Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂éḱmōEvery word from Proto-Indo-Iranian Háćmā