Qenya
um-
verb. to not be, to not do
umanar(yas)
adverb. someday; in a certain day
a
preposition. [unglossed]
alama
noun. [unglossed]
amaldume
noun. [unglossed]
anaristya
noun. [unglossed]
assa
pronoun. [unglossed]
asse
pronoun. [unglossed]
asso
pronoun. [unglossed]
engwa
?. [unglossed]
ente
pronoun. [unglossed]
ento
pronoun. [unglossed]
ereáma
?. [unglossed]
es
[unglossed]
hyelma
?. [unglossed]
kaltua
?. [unglossed]
kanda
noun. [unglossed]
karpalimaite
noun. [unglossed]
lai
adverb. very
laqe[t]-
verb. [unglossed]
lau(w)e
?. [unglossed]
lá-
verb. to not be
mahtya
?. [unglossed]
mai(y)a
noun. [unglossed]
maldo
noun. [unglossed]
nandakka-
verb. [unglossed]
nerno
?. [unglossed]
niule
?. [unglossed]
olta-
verb. [unglossed]
rampa
?. [unglossed]
sahte
noun. [unglossed]
sarya
noun. [unglossed]
sisíria-
verb. [unglossed]
séra
?. [unglossed]
sóla
?. [unglossed]
tante
noun. [unglossed]
tatalta-
verb. [unglossed]
teuka
?. [unglossed]
thar-
verb. [unglossed]
timpana
noun. [unglossed]
toina
adjective. [unglossed]
toróma
noun. [unglossed]
tyue
noun. [unglossed]
varinye
noun. [unglossed]
yelme
noun. [unglossed]
éma
?. [unglossed]
The correlatives ᴹQ. umanar “someday” and um(an)aryas “in a certain day” appeared in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/109), a combination of ᴹQ. uma- “some” and ᴹQ. -ar(yas) “day”.
Neo-Quenya: For purposes of Neo-Quenya I would update this to ᴺQ. umaurë “someday” using Q. aurë “day”.