Where does “Hacanáh” come from?

Hacanáh (Proto-Iranian) comes from Proto-Indo-Iranian Haćanás, from Proto-Indo-Iranian Háćmā, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “Hacanáh”, step by step

StepLanguageWordMeaning
1Proto-Indo-IranianHaćanás—
2Proto-Indo-IranianHáćmāstone; thunderbolt, sky?
3Proto-Indo-Europeanh₂éḱmōstone
4Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂éḱmō →Every word from Proto-Indo-Iranian Háćmā →