(p. 176) ṛtu season, a tide or time; menstruation, the menses. ̃কাল n. the period or time of a season, a tide; the period of menstruation, the menstrual period. ̃নাথ, ̃পতি n. the king of seasons; the spring. ̃পরিবর্তন n. change of season. ̃পর্যায় n. succession or revolution of the seasons. ̃মতী a. (of a woman) menstruating, in the menses. ̃মতী হওয়া v. to menstruate, to be in the menses; to menstruate for the first time. ̃রক্ষা n. act of copulating with a woman on the fourth day of her menstrual period ̃রক্ষা করা v. to copulate with a woman on the fourth day of her menstrual period. ̃রাজ same as ঋতুনাথ । ̃স্নাতা a. fem. bathed on the fourth day of one's menstrual period. ̃স্নান n. act of bathing on the fourth day of one's menstrual period. 15)