yāḥ - which (those flows of honey); hi - indeed; upayuñjānānām - of those who drink; mukha-nirvāsitaḥ vāyuḥ - the air emanating from the mouths; samantāt - all around; śata-yojanam - up to one hundred yojanas (eight hundred miles); anuvāsayati - makes sweetly flavored.

The air carrying the scent from the mouths of those who drink that honey perfumes the land for a hundred yojanas around.