Manava Dharmashastra 3.251

3.251

pṛṣṭvā svaditam ity evaṃ tṛptān ācāmayet tataḥ
ācāntāṃś cānujānīyād abhito ramyatām iti //

Having addressed the question, 'Have you dined well?' (to his guests), let him give water for sipping to them who are satisfied, and dismiss them, after they have sipped water, (with the words) 'Rest either (here or at home)!'