Quenya 

ainas

hallow, a fane

ainas noun "a hallow, a fane", perhaps with stem ainass- (PE17:149). Compare yána #2.

ainas

noun. hallow, fane, hallow, fane, *shrine, holy place, sanctuary

airita-

verb. hallow

#airita- vb. "hallow" (only pa.t. airitánë is attested) (VT32:7)