यस्यyasyamfn. to be endeavoured &c.
वशे हि यस्येन्द्रियाणि तस्य प्रज्ञा प्रतिष्ठिता ॥
कोशःDictionaries
Apte, Monier-Williams and Macdonell at once. Type in any of fifteen scripts and schemes; the word is converted and looked up wherever it is part of a headword.