ᴹ√GYER root. “*old, worn out (of things)”
An unglossed root in The Etymologies of the 1930s with derivatives like ᴹQ. yerna “old, worn” and N. gern “worn, old (of things)” (Ety/GYER), and thus probably having a similar meaning.
References ✧ Ety/GYER, YA
Derivatives