Arthashastra
तस्य एव परिचारक व्यञ्जन उपदिष्टः सिद्ध व्यञ्जनः सांवदनिकीम् ओषधीं दद्यात् "वैदेहक शरीरे अवघातव्या" इति ॥
A spy in the service of the merchant may give to another spy, employed as a servant of the maid-servant, some medical drug, telling the latter that (in order to regain the love of the merchant), the drug may be applied to the person of the merchant (by the maid-servant).
english translation
tasya eva paricAraka vyaJjana upadiSTaH siddha vyaJjanaH sAMvadanikIm oSadhIM dadyAt "vaidehaka zarIre avaghAtavyA" iti ॥
hk transliteration by Sanscript