ᴹ√DYEL root. “feel fear and disgust; abhor”
A root in The Etymologies of the 1930s glossed “feel fear and disgust; abhor” with derivatives in both Quenya and Noldorin (Ety/DYEL). It was an element in the names N. Dor-Daideloth “Land of (the Shadow of) Dread” and N. Deldúwath “Deadly Nightshade” (LR/250, 282), and the continued appearance of these names in later versions of The Silmarillion, still associated with “dread”, indicates this root may have survived in Tolkien’s later ideas of the language.
This root probably replaced ᴱ√DYELE from the Qenya Lexicon whose derivatives had to do with “winter” and “cold” (QL/106). This early root was tied to a similarly early conception of Melkor as a terrible being of heat and cold.
References ✧ Ety/DOƷ, DYEL, SLIG, UÑG; EtyAC/DAY
ᴱ√DYELE root. “*cold”
References ✧ GL/38; LT1A/Melko; QL/106