Quenya 

írë

eternal

[írë] (3) noun "eternal" (read "eternity", as suggested by Christopher Tolkien, but the word was in any case changed to oirë)(GEY, VT45:13)

írë

desire

írë (1) noun "desire". (ID). In the pre-classical Tengwar system presupposed in the Etymologies, írë was also the name of a long carrier with an i-tehta above it, denoting long í. (VT45:17).

írë

when

írë (2) conj. "when" (subordinate conjunction, not question-word: írë Anarinya queluva, "when my sun faileth") (FS). Compare yá #2.

íre

noun. longing

Quenya [PE 22:23] Group: Mellonath Daeron. Published by

írë

noun. desire, desire, [ᴹQ.] longing