An adaptation of the Qenya name Ereol given to Ælfwine by the elves of Tol Eressëa in Tolkien's earlier material. Formed in such a way as to preserve its original meaning of "One Who Dreams Alone." Derived from er "one, alone" and óla- "to dream."
Noldorin
eriol
adjective. single, alone
minei
adjective. single, distinct, unique
A word in The Etymologies of the 1930s glossed “alone, single” under the root ᴹ√ERE “be alone, deprived” (Ety/ERE). This word also appeared in notes on The Feanorian Alphabet from the 1930s and 40s in the diacritic name peg eriol “single dot” (PE22/31; PE23/22).