-colous

1.
a combining form meaning “inhabiting” the thing or place specified by the initial element, used in the formation of compound words:
nidicolous.
Origin
< Latin -col(a), combining form representing colere to inhabit (cf. colonus) + -ous
British Dictionary definitions for -colous

-colous

combining form
1.
inhabiting or living on: arenicolous
Word Origin
from Latin -cola inhabitant + -ous; related to colere to inhabit