A noun in The Etymologies of the 1930s glossed “creature” derived from the root ᴹ√ONO “beget” (Ety/ONO), perhaps from a primitive form ✱ōno with ancient ō becoming ū.
Noldorin
edonna-
verb. to beget
edonna-
verb. to beget
onna-
verb. ?to beget, make born
ûn
noun. creature
rhaug
noun. a powerful, hostile and terrible creature, a demon
ûn
noun. creature
A verb in The Etymologies of the 1930s glossed “beget”, a combination of ed- “out” and a verb form of the root ᴹ√ONO “beget” (Ety/ONO).
Neo-Sindarin: For purposes of Neo-Sindarin, I’d use this verb to refer primarily to the actions of the father, and use S. onna- “✱to give birth to” to refer to actions of the mother.