galacto-

1.
a combining form meaning “milk,” used in the formation of compound words:
galactopoietic.
Also, especially before a vowel, galact-.
Origin
< Greek galakto-, combining form of galakt-, stem of gála milk
British Dictionary definitions for galacto-

galacto-

combining form
1.
milk or milky: galactometer
Word Origin
from Greek galakt-, gala
galacto- in Medicine

galacto- or galact-
pref.
Milk: galactotherapy.