Where does “ոռնալ” come from?

ոռնալ (Old Armenian) comes from Old Armenian ոռնամ, from Old Armenian որունամ, from Old Armenian որուն-, from Old Armenian րուն-, from Old Armenian րու-, from Proto-Indo-European rū- — to roar, cry hoarsely; to scratch, dig, scrape,...

ոռնալ (Old Armenian): infinitive of ոռնամ