-chroous or -chroic
combining form in adjective
coloured in a specified way
⇒ 
isochroous
Origin
from Greek khrōs skin, complexion, colour-chroous
Word Origin
1 
a combining form meaning “having a color” of the kind specified by the initial element:
isochroous.
Also, -chroic.
Origin
combining form representing Greek chrṓs skin, skin color; see -ous
Related Word
- -chroic
-chroous→ -chroic.
[suffix formed from the stem of Greek chroa surface, colour + -ous]-chroous
skin color:
skin color:
isochroous
-chro·ous
\krəwəs\  adjective combining form 
Etymology: Greek -chroos, from chrōs skin, color — more at chromatic 
 : -colored 
< isochroous >
< isochroous >