√RAD root. “*back, return”
This root first appeared in The Etymologies of the 1930s as ᴹ√RAD “back, return” with derivatives like ᴹQ. randa/N. anrand “cycle, age (100 Valian Years)” as well as Dor. radhon “east” (Ety/RAD). It reappeared (unglossed) in Outline of Phonology (OP2) as an example of a root where medial d dissimilated to l in Quenya rather than becoming r as usual: √RAD > Q. ral- (PE19/99). Neither the root or the verb were glossed in OP2, so it is unclear whether or not it retained its 1930s meaning, though there is no reason to believe it didn’t.
Reference ✧ PE19/99
Derivatives