Manusmriti

siva.sh/manusmriti/5/81

श्रोत्रिये तूपसम्पन्ने त्रिरात्रमशुचिर्भवेत् । मातुले पक्षिणीं रात्रिं शिष्यर्त्विग्बान्धवेषु च ॥ ८१ ॥

sanskrit

For a Srotriya who resides with (him out of affection), a man shall be impure for three days; for a maternal uncle, a pupil, an officiating priest, or a maternal relative, for one night together with the preceding and following days.

english translation

zrotriye tUpasampanne trirAtramazucirbhavet | mAtule pakSiNIM rAtriM ziSyartvigbAndhaveSu ca || 81 ||

hk transliteration by Sanscript