cilya noun "chasm", allative cilyanna ("k") "in-Chasm" (sc. "into [the] chasm") _(LR:47, 56). _In MR:471, cilya is defined as "cleft, gorge". Spelt kilya in Etym, there defined as "cleft, pass between hills, gorge" (KIL)
Quenya
lusta
void, empty
cilya
chasm
cumna
empty
cumna ("k")adj. "empty" (KUM)
lusta adj. "void, empty" (LUS)