Manusmriti

siva.sh/manusmriti/2/211

अभ्यञ्जनं स्नापनं च गात्रोत्सादनमेव च । गुरुपत्न्या न कार्याणि केशानां च प्रसाधनम् ॥ २११ ॥

sanskrit

Let him not perform for a wife of his teacher (the offices of) anointing her, assisting her in the bath, shampooing her limbs, or arranging her hair.

english translation

abhyaJjanaM snApanaM ca gAtrotsAdanameva ca | gurupatnyA na kAryANi kezAnAM ca prasAdhanam || 211 ||

hk transliteration by Sanscript