Where does “dr̥Hgʰás” come from?

dr̥Hgʰás (Proto-Indo-Aryan) comes from Proto-Indo-Iranian dr̥Hgʰás, from Proto-Indo-European dl̥h₁gʰós — long.

Ancestry of “dr̥Hgʰás”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iraniandr̥Hgʰáslong, lengthy
2Proto-Indo-Europeandl̥h₁gʰóslong
Every word from Proto-Indo-European dl̥h₁gʰós →Every word from Proto-Indo-Iranian dr̥Hgʰás →