[caṃdrasyāyanamivāyanamatra pūrvapadāt saṃjñāyāṃ ṇatvam saṃjñāyāṃ dīrghaḥ svārthe aṇ vā Tv.] A religious observance or expiatory penance regulated by the moon's age (the period of its waxing and waning); (in it the daily quantity of food, which consists of fifteen mouth- fuls at the full moon, is diminished by one mouthful every day during the dark fortnight till it is reduced to zero at the new moon, and is in-...