mugdhasya-of a person bewildered or not in perfect knowledge; balye-in childhood; kaisore-in boyhood; kridatah-playing; yati-passes; vimsatih-twenty years; jaraya-by invalidity; grasta-dehasya-of a person overcome; yati-passes; akalpasya-without determination, being unable to execute even material activities; vimsatih-another twenty years.