its ummm supplementary
Flag
tricolor
irised
Irised
white is the reflection of light on anything that reflects all colours ( black absorbs all colours)
antepenultimate
Cubed
The word that means to the third power is cubed. Mostly used in math, if a number or letter has a small 3 towards the top, that means its cubed.
Ground level
Elevation is the word that means the height of land above sea level.
the French word troisième means third
elavate