Where does “Hrach” come from?

Hrach (English) comes from Armenian Հրաչ, from Armenian Հրաչյա, from Old Armenian Հրաչեայ, from Old Armenian հուր, from Proto-Indo-European puh₂r-, from Proto-Indo-European péh₂wr̥ — bonfire; spelt.

Ancestry of “Hrach”, step by step

Step	Language	Word	Meaning
1	Armenian	Հրաչ	—
2	Armenian	Հրաչյա	—
3	Old Armenian	Հրաչեայ	—
4	Old Armenian	հուր	fire; fire, heat, spirit, ardour; passion, love,...
5	Proto-Indo-European	puh₂r-	—
6	Proto-Indo-European	péh₂wr̥	bonfire; spelt

Every word from Proto-Indo-European péh₂wr̥ →Every word from Proto-Indo-European puh₂r- →Every word from Old Armenian հուր →