asco-

1.
a combining form meaning “sac,” used in the formation of compound words:
ascomycete.
Also, especially before a vowel, asc-.
Origin
< Greek asko-, combining form of askós wineskin, bladder, belly
British Dictionary definitions for asco-

asco-

combining form
1.
indicating a bladder or ascus: ascomycete
Word Origin
from Greek askos bladder