cAMdrAyaRaM [ caMdrasyAyanamivAyanamatra pUrvapadAt saMjYAyAM Ratvam saMjYAyAM dIrGaH svArTe aR vA 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 mouthfuls 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 increased in like manner during the bright fortnight); cf. Y. 3. 324 et seq. and Ms. 11. 217.