Natyashastra
नाभिप्रदेशे विन्यस्य सव्यं च खटकामुखम् । अर्धनारीगतिः कार्या स्त्रीपुंसाभ्यां विमिश्रिता ॥ १९०॥
Placing the Kaṭakāmukha hand gesture on the region of the navel with the left hand, the Gait of the half-woman, which is a mixture of male and female traits, should be performed.
english translation
nAbhipradeze vinyasya savyaM ca khaTakAmukham । ardhanArIgatiH kAryA strIpuMsAbhyAM vimizritA ॥ 190॥
hk transliteration by Sanscript