[írë] (3) noun "eternal" (read "eternity", as suggested by Christopher Tolkien, but the word was in any case changed to oirë)(GEY, VT45:13)
Quenya
airë
eternity
oialë
noun/adverb. forever; everlastingly, eternally, in eternity, forever; everlastingly, eternally, in eternity; [ᴹQ.] everlasting age
írë
eternal
oialëa
adjective. eternal
aira
eternal
[aira (4) adj. "eternal" (EY, VT45:13). Changed by Tolkien to oira.]
oialëa
eternal
oialëa adj. "eternal" (PE17:59)
oira
eternal
oira adj. "eternal" (OY)
íra
eternal
[íra adj. "eternal" (GEY, VT45:13; changed by Tolkien to oira, see OY)]
oialë
everlasting [?age]
oialë noun "everlasting [?age]" (Reading of gloss uncertain)(OY).Also adverb "eternally, in eternity" (PE17:59) or "forever" (PE17:69), so used in Namárië (Nam, RGEO:67)
oirë
everlasting [?age]
oirë noun "everlasting [?age]" (Reading of gloss uncertain)(OY)
tennoio
adverb. forever, forever[more]
@@@ used for “forever” in NQNT
[airë (3) noun "eternity" (EY, VT45:13)]