天癸

Traditional form:

天癸

Pinyin (reading):

tiānguǐ

Definitions:

• (TCM) menstruation
• period

Characters:

• 天 - sky, heaven; god, celestial
• 癸 - 10th heavenly stem

Traditional characters:

• 天 - sky, heaven; god, celestial
• 癸 - 10th heavenly stem