A Doriathrin word for “back” explicitly marked as a noun (Ety/NDAN). Its primitive form might have been ✱✶ndān, so that the primitive long [[ilk|[ā] became [ō]]] and the [[ilk|initial nasal [n] was lost before the stop]] (as suggested by Helge Fauskanger, AL-Doriathrin/dôn).
Doriathrin
bel
noun. strength
belthronding
proper name. Belthronding
beleg
masculine name. Strong
dôn
noun. back
An Ilkorin word for “strength”, developed from primitive ᴹ✶belē (Ety/BEL), an example of how final vowels vanished in Ilkorin.