-valta suffix "-less", also -viltë (evidently endings used to derive adjectives like "lifeless") (GL:23) The ending -lóra appears with the same meaning in Tolkien's later Quenya.
Quenya
valta-
verb. valta-
valta-
verb. to excite, rouse, stir up
-valta
-less
walta- Archaic
verb. to excite, rouse, stir up
-lóra
-less, without
-lóra ending "-less, without", as in ómalóra "voiceless" (VT45:28)
-viltë
-less
-viltë adjectival ending "-less", also -valta (evidently endings used to derive adjectives like "lifeless") (GL:23). Rather -lóra in Tolkien's later Quenya.
al-
prefix. -less
-less
*valta-, later pronunciation of walta-, q.v.