Where does “Դալար” come from?

Դալար (Armenian) comes from Old Armenian դալար, from Proto-Indo-European dʰl̥h₁ro-.

Ancestry of “Դալար”, step by step

Step	Language	Word	Meaning
1	Old Armenian	դալար	green, not dry; fresh; verdure, herb, grass,...
2	Proto-Indo-European	dʰl̥h₁ro-	—

Դալար — Etymology, Origin & Word History | Etymology Explorer