ᴱN. u(r)vrog adj. “horseless” (Category: Horse (generic))
An example negative adjective in Early Noldorin Word-lists of the 1920s that was a combination of the privative prefix ᴱN.
ur- and ᴱN. brog “land”; it replaced a deleted form ᴱN. o(r)vrog (PE13/156).
References ✧ PE13/156