Manusmriti

siva.sh/manusmriti/6/24

उपस्पृशंस्त्रिषवणं पितॄन् देवांश्च तर्पयेत् । तपस्चरंश्चोग्रतरं शोषयेद् देहमात्मनः ॥ २४ ॥

sanskrit

When he bathes at the three Savanas (sunrise, midday, and sunset), let him offer libations of water to the manes and the gods, and practising harsher and harsher austerities, let him dry up his bodily frame.

english translation

upaspRzaMstriSavaNaM pitRRn devAMzca tarpayet | tapascaraMzcogrataraM zoSayed dehamAtmanaH || 24 ||

hk transliteration by Sanscript