- (as substance) gwelu (i **welu), analogical pl. gwely (in gwely) if there is a pl. The attested form is archaic gwelw** (LR:398 s.v. WIL). Hence the coll. pl. is likely *gwelwath, if there is a coll. pl..
Noldorin
gwelw
noun. air (as substance)
gwelwen
noun. air, lower air (distinct from the upper air of the stars, or the outer)
gwilith
noun. air (as a region)
lhind
noun. air, tune
lhinn
noun. air, tune