Qenya
íre
noun. desire, longing
íre
conjunction. when
íre
noun. eternal, eternity?
íre ilqa yéva nótina, hostainiéva, yallume
when all is counted, and all numbered at last
íra
adjective. eternal
oira
adjective. eternal
man(an)
adverb. when
The correlatives manan or man “when” appeared in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/109), a combination of interrogative ᴹQ. ma and ᴹQ. -n(an) “time”.
Neo-Quenya: For purposes of Neo-Quenya I would stick to ᴹQ. mallume, since I think -n(an) was abandoned.