Narquelië noun tenth month of the year, "October" (Appendix D); the word seems to mean "Fire-waning", "Sun-waning". Compare narquelion ("q"), q.v.
Quenya
Narquelion
fire-fading, autumn
Narquelië
october
Endien
autumn
Endien noun, alternative term for "autumn" (PM:135). In the Etymologies, the word Endien was assigned a quite different meaning: "Midyear, Midyear week", in the calendar of Valinor a week outside the months, between the sixth and seventh months, dedicated to the Trees; also called Aldalemnar (YEN, LEP/LEPEN/LEPEK)
yávië
autumn
yávië noun "autumn" (SA:yávë); "autumn, harvest", in the calendar of Imladris a precisely defined period of 54 days, but also used without any exact definition (Appendix D). Noun yáviérë *"Autumn-day", a day outside the months in the Steward's Reckoning, inserted between Yavannië and Narquelië (September and October) (Appendix D)
Narquelion ("q")noun "fire-fading, autumn" (FS, Narqelion, KWEL, (LAS1), "nar-qelion", VT45:24); simply translated "Fading" in LR:72. The word also heads a section of the poem The Trees of Kortirion(LT1:41).