Natyashastra
अधोमुखं स्थितं चापि बुधाः प्राहुरधोगतम् । लज्जायां च प्रणामे च दुःखे चाधोगतं शिरः ॥ ३५॥
Adhogata: The head with the face looking downwards is called Adhogata. (Uses): It is used in shame, bowing ॥ in salutation॥ and sorrow.
english translation
adhomukhaM sthitaM cApi budhAH prAhuradhogatam । lajjAyAM ca praNAme ca duHkhe cAdhogataM ziraH ॥ 35॥
hk transliteration by Sanscript