The Compendium of Caraka 2.5.8_7

2.5.8_7

kākaṇantikāvarṇānyādau paścāttu sarvakuṣṭhaliṅgasamanvitāni &pāpīyasā sarvakuṣṭhaliṅgasaṃbhavenānekavarṇāni kākaṇānīti vidyāt/

One should recognise as kākaṇaka those that initially have the colour of a guñjā berry, but later possess the signs of all kuṣṭhas, and variegated in colour due to the more grievous manifestation of the symptoms of all kuṣṭhas.