Paraskaragrihyasutra 2.17.16

2.17.16

athottarato bhīmā vāyusamā jave \ te tvottarataḥ kṣetre khale gṛhe 'dhvani gopāyantvapramattā anapāyino nama eṣāṃ karomyahaṃ balimebhyo harāmīmamiti \16\

Then to the north with (the Mantra), 'The fearful ones, like to Vâyu in speed, may they protect thee from the north, on the field, on the threshing-floor, in the house, on the way, and be vigilant and not abandon thee. To them I bring adoration, and I offer this Bali to them.'