The Long Āgama Sūtra 2.86

2.86

爾時，世尊於毘舍離，隨宜住已，告阿難言：「汝等皆嚴，吾欲詣竹林叢。」

The Bhagavān then stayed in Vaiśālī for as long as was appropriate. Then he told Ānanda, “All of you, get ready. I’m going to Veṇugrāmaka.”