These ROOT-WORDS are LUC, LUM, LUN & LUS. They come from the Latin lux, lucis & lumen. All mean LIGHT. LUMinary, to bring light to the eye. eLUCidate to bring light to the mind. Both bring brightness. This is a beautiful ROOT. No. 15, eLUCubrate, pictures a hard worker, perhaps an Abraham Lincoln, who keeps on working after the sun goes down, keeps toiling by candle light, to get the education which he needs.
1. Lucent : LUC ent (lus’ ent) adj.
Giving light; shining
2. Lucid : LUC id (lue’ sid) adj.
Clear; bright; filled with light
3. Luculent : LUC ulent (lue’ kyu lent) adj.
Lucid; clear; evident
4. Luna : LUN a (lue’ na) n.
The moon goddess
5. Lunambulism : LUN ambulism (lue nam’ bu liz um) n.
Sleepwalking induced by the moon
6. Lumen : LUM en (lue’ men) n.
A unity of light
7. Luminary : LUM inary (lue’ mi nar ee) n.
A heavenly body; someone who shines in his profession
8. Luminescence : LUM inescence (lue mi nes’ ens) n.
9. Luminescent : LUM inescent (lue mi nes’ ent) adj.
Used in the production of luminescence
10. Luminiferous : LUM iniferous (lue mi nif’ e rus) adj.
11. Luminosity : LUM inosity (lue mi nos’ it ee) n.
The quality of being light
12. Luminous : LUM inous (lue’ mi nus) adj.
Full of light; brilliant; lustrous
13. Luster : LUS ter (lus’ ter) n.
Sparkle; gloss; glaze
14. Elucidate : e LUC idate (e lue’ si date) v.
Bring into the light; make clear; explain
15. Elucubrate : e LUC ubrate (e lue’ kue brate) v.
Express with great effort; work h
16. Illuminate : il LUM inate (il ue’ mi nate) v.
Bring in light; light up; make bright
17. Translucent : trans LUC ent (tranz luse’ ent) adj.
Letting light come through
18. Pellucid : pell LUC id (pe lue’ sid) adj.
Easy to fathom or understand; allowing light through
19. Luminaire : LUM inaire (lue’ mi nare) n.
A lighting unit with all equipment and accessories