From Tolkien Gateway

Urui is the eighth month of the calendar of the Dúnedain. It was also called Úrimë in Quenya.[1] The first element of the name, Ur-, is derived from Sindarin ûr "fire, heat".[2] The second element -ui is a common adjectival ending,[3] also present in other Sindarin names of the months.[4]


  1. J.R.R. Tolkien, The Lord of the Rings, Appendix D, "The Calendars"
  2. J.R.R. Tolkien, Christopher Tolkien (ed.), The Lost Road and Other Writings, Part Three: "The Etymologies", p. 396, entry UR-; J.R.R. Tolkien, Christopher Tolkien (ed.), The Silmarillion, "Appendix: Elements in Quenya and Sindarin Names", entry ur-; J.R.R. Tolkien, "Qenya Noun Structure", in Parma Eldalamberon XXI (edited by Christopher Gilson, Patrick H. Wynne and Arden R. Smith) p. 71.
  3. J.R.R. Tolkien, "Words, Phrases and Passages in Various Tongues in The Lord of the Rings", in Parma Eldalamberon XVII (edited by Christopher Gilson), p. 87.
  4. Cf. Nínui, Nórui, Hithui.