ichthyo-

1.
a combining form meaning “fish,” used in the formation of compound words:
ichthyology.
Also, especially before a vowel, ichthy-.
Origin
< Greek, combining form of ichthŷs fish
British Dictionary definitions for ichthyo-

ichthyo-

combining form
1.
indicating or relating to fishes: ichthyology
Word Origin
from Latin, from Greek ikhthus fish
ichthyo- in Medicine

ichthyo- or ichthy-
pref.
Fish: ichthyoid.