adj. dim, dimmed (applied to dimmed or fading lights or to things seen in them); filmy, fine-woven, etc. (applied to things that only partially screened light, such as a canopy of young still half-transparent leaves, or textures that veiled but only half-concealed a form).
Quenya
úcalima
adjective. dim, murky
A word meaning “shadowy, dim” appearing in The Rivers and Beacon-hills of Gondor of the late 1960s, the adjectival form of gwath “shadow” (VT42/9).