N. ethir n. “mouth of a river” (Category: Brook, Stream, River)
Reference ✧ Ety/ET ✧ “mouth of a river”
|ᴹ✶etsiri > ethir||[etsiri] > [eθθiri] > [eθθir] > [eθir]||✧ Ety/ET|
N. eges n. “mouths” (Category: Brook, Stream, River)
A noun for the mouths of rivers in the name N. Eges-hirion “Mouths of Sirion” (LR/407). Its etymology is unclear, and it is probably better to use S. ethir instead.
Reference ✧ LR/407 ✧ Eges “mouths”