Natyashastra
आकुञ्चितपुटापाङ्गा सङ्गतार्धनिमेषिणी । मुहुर्व्यावृत्ततारा च दृष्टिराकेकरा स्मृता ॥ ८१॥
Ākekarā: The Glance in which the eyelids and the corner of the eyes are slightly contracted and joined together, and is half-winking, and the eyeballs are repeatedly turning up, is called Ākekarā (half-shut).
english translation
AkuJcitapuTApAGgA saGgatArdhanimeSiNI । muhurvyAvRttatArA ca dRSTirAkekarA smRtA ॥ 81॥
hk transliteration by Sanscript