mid-15c., "shining, bright, luminous," from Latin lucentem (nominative lucens), present participle of lucere "to shine, glow, be bright," from PIE root *leuk- "light, brightness." Meaning "translucent, clear" is from 1820. Related: Lucently.
the lucent moon
lubricity
lubricous
lubritorium
Lucca
lucency
lucent
lucern
Lucia
Lucian
lucid
lucida