Manusmriti

siva.sh/manusmriti/9/62

विधवायां नियोगार्थे निर्वृत्ते तु यथाविधि । गुरुवत्च स्नुषावत्च वर्तेयातां परस्परम् ॥ ६२ ॥

sanskrit

But when the purpose of the appointment to (cohabit with) the widow bas been attained in accordance with the law, those two shall behave towards each other like a father and a daughter-in-law.

english translation

vidhavAyAM niyogArthe nirvRtte tu yathAvidhi | guruvatca snuSAvatca varteyAtAM parasparam || 62 ||

hk transliteration by Sanscript