ar(an)eg (pl. er(en)ig)
ar(an) “king” Etym/360, Etym/389, LotR/II:4, LotR/VI:7, Silm/446, SD/128-31, PM/358, Letters/426, VT/31:18, PE/17:25, PE/17:40, PE/17:111, PE/17:113, PE/17:118, PE/17:147 + *-eg = diminutive suffix VT/48:16-17
atheg “thumb” (lit. “little father”) VT/48:6, VT/48:17
Gábor Lőrinczi (a.k.a. Cerebrum), from http://parf-en-ereglass.hu/