lucidum
Found Lucidum with different capitalization.
Lucidum neuter nominative singular, neuter genitive plural, neuter accusative singular, neuter vocative singular, masculine genitive plural, masculine accusative singular of lucidus
lūcĭdŭm (16) (lucidus), n. pris advt , dʼune manière brillante : Hor. O. 2, 12, 14.