N. Luindirien loc. “Blue Towers”
Another name for the Blue Mountains (Eredluin) from Silmarillion drafts from the 1930s translated “Blue Towers” (LR/267). It also appeared in The Etymologies as Lhúndirien, where its initial element was lhûn “blue” (Ety/LUG²). The meaning of its second element must therefore by “towers”, perhaps a Noldorized plural form of ᴹQ. tirion “tower”.
References ✧ Ety/LUG²; LR/267; LRI; WJI
|#tirion||“tower”||soft-mutation plural||✧ Ety/LUG² (dirien)|