Natyashastra
षड्विधं गण्डमुद्दिष्टं तस्य लक्षणमुच्यते । क्षामं चावनतं ज्ञेयं फुल्लं विकसितं भवेत् ॥ १३८॥
The cheeks are described as being of six types, and their characteristics are stated as follows: The depressed (kṣāma) type is to be understood as sunken, while the blown (phulla) type is considered as expanded.
english translation
SaDvidhaM gaNDamuddiSTaM tasya lakSaNamucyate । kSAmaM cAvanataM jJeyaM phullaM vikasitaM bhavet ॥ 138॥
hk transliteration by Sanscript