Astanga Hrudaya
शुक्रं शुक्लं गुरु स्निग्धं मधुरं बहलं बहु । घृतमाक्षिकतैलाभं सद्गर्भाय आर्तवं पुनः ॥ १७ ॥
Sukra (semen) which is white in colour, heavy, unctuous, sweet, thick, more in quantity, resembling either ghee, honey or oil (of semen) is suitable for producing the embryo, the menstrual blood which resembles the juice of lac or the blood of a rabit,
english translation
zukraM zuklaM guru snigdhaM madhuraM bahalaM bahu । ghRtamAkSikatailAbhaM sadgarbhAya ArtavaM punaH ॥ 17 ॥
hk transliteration by Sanscript