Manusmriti

siva.sh/manusmriti/2/51

समाहृत्य तु तद् भैक्षं यावदन्नममायया । निवेद्य गुरवेऽश्नीयादाचम्य प्राङ्मुखः शुचिः ॥ ५१ ॥

sanskrit

Having collected as much food as is required (from several persons), and having announced it without guile to his teacher, let him eat, turning his face towards the east, and having purified himself by sipping water.

english translation

samAhRtya tu tad bhaikSaM yAvadannamamAyayA | nivedya gurave'znIyAdAcamya prAGmukhaH zuciH || 51 ||

hk transliteration by Sanscript