（术语）又曰黑分K&rdotblw;&sdotblw;&ndotblw;apak&sdotblw;a，太阴历之下半月也。西域记二曰：‘月亏至晦谓之黑分，黑分或十四日十五日，月有大小故也。’底哩三昧经曰：‘黑月八日于寒林。（中略）坐其上念诵。’