Natyashastra
कार्यानुगतमस्यैव भ्रुवोः कर्म निबोधत । उत्क्षेपः पातनश्चैव भ्रुकुटी चतुरं भ्रुवोः ॥११९॥
Now, listen about the gestures of eyebrows, which accord with those of the eyeballs and the eyelids. ॥ They॥ are seven in number and are as follows: Utkṣepa (raising), Pātana (lowering), Bhrukuṭī (knitting), Catura (clever),
english translation
kAryAnugatamasyaiva bhruvoH karma nibodhata । utkSepaH pAtanazcaiva bhrukuTI caturaM bhruvoH ॥119॥
hk transliteration by Sanscript