Morpheme
Colo(u)r
Type
free base
Denotation
complexion, appearance, hue, covering
Etymology
Middle English colour, color; Anglo-Norman colur, coulour; Old French color, colour; Latin color; Old Latin colōris, from colōs
Evidence
bicolor, color, colorable, Colorado, colorant, coloration, coloratura, colorcast, colored, colorfast, colorful, coloring, colorism, colorist, colorize, colorless, colors, colour, colours, discolor, discoloration, hypercolor, multicolored, pseudocolor, topcolor, tricolor, uncolored, undercolor, watercolor
Notes
<r> does not double because the stress falls on the first syllable
color preferred American spelling
colour preferred British spelling