Manusmriti

siva.sh/manusmriti/4/222

भुक्त्वाऽतोऽन्यतमस्यान्नममत्या क्षपणं त्र्यहम् । मत्या भुक्त्वाऽचरेत् कृच्छ्रं रेतोविण्मूत्रमेव च ॥ २२२ ॥

sanskrit

If he has unwittingly eaten the food of one of those, (he must) fast for three days; if he has eaten it intentionally, or (has swallowed) semen, ordure, or urine, he must perform a Krikkhra penance.

english translation

bhuktvA'to'nyatamasyAnnamamatyA kSapaNaM tryaham | matyA bhuktvA'caret kRcchraM retoviNmUtrameva ca || 222 ||

hk transliteration by Sanscript