Astanga Hrudaya
घृतात्तैलं गुरु वसा तैलान्मज्जा ततोऽपि च। द्वाभ्यां त्रिभिश्चतुर्भिस्तैर्यमकस्त्रिवृतो महान्॥४॥
When compared between the four, ghee is very light to digest. Oil is heavier (hard to digest) than ghee, muscle-fat is heavier than oil, marrow is heavier than all. Mixture of two oleating substances is called as Yamaka. Mixture of three is called as Trivrit and All four combined is called as Mahasneha.
english translation
ghRtAttailaM guru vasA tailAnmajjA tato'pi ca। dvAbhyAM tribhizcaturbhistairyamakastrivRto mahAn॥4॥
hk transliteration by Sanscript