येनyenaind.(Strictly instr. sing. of यद् used adverbially)
अविनाशि तु तद्विद्धि येन सर्वमिदं ततम् ।
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.