一切經音義 9.203

9.203

衰耄 (the character form is written as 𤸬, the same, fanqie: 所 + 龜. The Shuowen says: '𤸬 means to diminish'. The Liji says: 'At fifty years of age, one begins to decline (衰); 衰 means to slacken'. The second character has the two ancient forms 毫; now written as 耗, the same, fanqie: 莫 + 報. The Liji says: 'Eighty is called 耄'. The commentary says: '耄 means confused and forgetful; it also means disordered').