Where does “Haydʰ-” come from?
Haydʰ- (Proto-Indo-Aryan) comes from Proto-Indo-Iranian Haydʰ-, from Proto-Indo-European h₂eydʰ- — to ignite; fire.
Haydʰ- (Proto-Indo-Aryan) comes from Proto-Indo-Iranian Haydʰ-, from Proto-Indo-European h₂eydʰ- — to ignite; fire.