IPA: /mɛnˈɑːrkiəl/
KK: /mɛnˈɑrkiəl/
Relating to the first occurrence of menstruation in a female's life.
The menarcheal stage is an important milestone in a young girl's development.
Menarcheal is derived from "menarche" (from Greek "mēn" meaning month and "archē" meaning beginning) and the suffix "-al" (meaning pertaining to). The term refers to the beginning of the menstrual cycle, specifically the first occurrence of menstruation.
Think of 'mēn' meaning month and 'archē' meaning beginning — this helps you remember that 'menarcheal' pertains to the beginning of the monthly menstrual cycle.