Natyashastra
यदधः सकृदाक्षिप्तमवधूतं तु तच्छिरः । सन्देशावाहनालापसंज्ञादिषु नदिष्यते ॥ २९॥
Avadhuta: When the head is lowered once after turning it up it is called Avadhuta. (Uses): It is to be applied in ॥ communicating॥ a message, invoking ॥ a deity॥, conversation and beckoning ॥ one to come near॥.
english translation
yadadhaH sakRdAkSiptamavadhUtaM tu tacchiraH । sandezAvAhanAlApasaMjJAdiSu nadiSyate ॥ 29॥
hk transliteration by Sanscript