ᴹ√YAY root. “mock”
A root in The Etymologies of the 1930s glossed “mock” with derivatives like ᴹQ. yaiwe/N. iaew “mocking, scorn” (Ety/YAY). Primitive ᴱ✶peia “scorn” from Early Noldorin Word-lists of the 1920s is a possible precursor; its primitive form is very different, but its Early Noldorin derivative ᴱN. hai is not that dissimilar (PE13/146).
Reference ✧ Ety/YAY ✧ “mock”