Manusmriti

siva.sh/manusmriti/5/63

निरस्य तु पुमांशुक्रमुपस्पृस्यैव शुध्यति । बैजिकादभिसम्बन्धादनुरुन्ध्यादघं त्र्यहम् ॥ ६३ ॥

sanskrit

Those who have touched a corpse are purified after one day and night (added to) three periods of three days; those who give libations of water, after three days.

english translation

nirasya tu pumAMzukramupaspRsyaiva zudhyati | baijikAdabhisambandhAdanurundhyAdaghaM tryaham || 63 ||

hk transliteration by Sanscript