प्रत्युपकारpratyupakāra1 Returning a service or kindness, requital of an obligation, service in return.
यत्तु प्रत्त्युपकारार्थं फलमुद्दिश्य वा पुनः ।
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.