References

KaiNigh, 2, 7.1
śuddhaṃ kupyaṃ vasuśreṣṭhaṃ vimalaṃ śvetakaṃ śivam /	Context
RājNigh, 13, 15.2
kupyaṃ dhautaṃ tathā saudhaṃ candrahāsaṃ munīndukam //	Context