Ashtangasamgraha 1.9

1.9

the holy [knowledge] divided into eight branches which the grandfather [Brahmā] comprehended. / Having received that sacred text and having expounded it to one another,

Other terms for it are liṅga, ākṛti, lakṣaṇa, cihna, saṃsthāna, and vyañjana.

Thin gruel, scum, sugarcane juice, wine, or those stated in the pharmaceutics [section].

And having raised the palate, one should cover it from above with an oil-pad.