meno-

1.
a combining form borrowed from Greek, where it meant “month,” used with reference to menstruation in the formation of compound words:
menopause.
Also, especially before a vowel, men-.
Origin
< Greek mēno-, combining form of mḗn month; see moon
British Dictionary definitions for meno-

meno-

combining form
1.
menstruation: menorrhagia
Word Origin
from Greek mēn month
meno- in Medicine

meno- or men-
pref.

  1. Menstruation: menarche.

  2. Menses: menorrhagia.