Gopālakasutta
Evaṁ me sutaṁ— ekaṁ samayaṁ bhagavā kosalesu cārikaṁ carati mahatā bhikkhusaṅghena saddhiṁ. Atha kho bhagavā maggā okkamma yena aññataraṁ rukkhamūlaṁ tenupasaṅkami; upasaṅkamitvā paññatte āsane nisīdi.
The Cowherd
So I have heard. At one time the Buddha was wandering in the land of the Kosalans together with a large Saṅgha of mendicants. And then the Buddha left the road, went to the root of a certain tree, and sat down on the seat spread out.