Natyashastra
मृदुसन्नगतिश्चैव पुमान् स्त्रीभावमाचरेत् । जातिहीनाश्च या नार्यः पुलिन्दशबराङ्गनाः ॥ १९९॥
A man, in assuming the role of a woman, should adopt a soft and gentle gait. Women of inferior birth, such as those from the Pulinda and Śabara tribes, should have gaits natural to their community.
english translation
mRdusannagatizcaiva pumAn strIbhAvamAcaret । jAtihInAzca yA nAryaH pulindazabarAGganAH ॥ 199॥
hk transliteration by Sanscript