Origin: Latin suffix -ous
Luminous has 2 different meanings across 1 category:
Adjective
softly bright or radiant
"a house aglow with lights"
"glowing embers"
"lambent tongues of flame"
"the lucent moon"
"a sky luminous with stars"
Emitting light; glowing brightly.
"The luminous dial on his old watch glowed softly in the dark, making it easy to tell time without a flashlight."