Astanga Hrudaya
मूत्रं पुरीषं निष्ठ्यूतं शुक्रं वाप्सु निमज्जति । निष्ठ्यूतं बहुवर्णं वा यस्य मासात्स नश्यति ॥ २९ ॥
Other fatal signs indicating impending death within one month : He, whose urine, feaces, sputum or semen, sink in water; the sputum being of many colours, dies within a month
english translation
mUtraM purISaM niSThyUtaM zukraM vApsu nimajjati । niSThyUtaM bahuvarNaM vA yasya mAsAtsa nazyati ॥ 29 ॥
hk transliteration by Sanscript