An adjective meaning “open” (= not closed) appearing in the Ósanwe-kenta essay from 1959-60 (VT39/23) and associated etymological notes, where it was derived from √LAT “open, unenclosed, free to entry” (VT41/5; PE17/159).
Quenya
láta
open
láta
adjective. open (not closed)
láta adj. "open" (VT39:23), "open, not closed" (PE17:159, VT41:5)