一切經音義 3.51

3.51

老耄（上勒惱反爾雅老壽也𦒱聲云久也舊也曲禮云七十曰耄說文耄老也從毛從人從匕匕音化言人鬚髮化白曰老下毛暴反禮云八十九十曰耄鄭玄云惛忘也說文作𧂕年九十也從老從蒿省聲也）。

老耄 (the upper character is *lè* + *nǎo* [fanqie: lǎo]; the Erya says: "'Lǎo' means venerable age." The Kaosheng says: "Long-lasting; old." The Quli says: "Seventy years of age is called 'mào'." The Shuowen jiezi says: "'Mào' means old; derived from 'máo' (hair), 'rén' (person), and 'bǐ' (匕), where 'bǐ' is *huà* [fanqie], meaning that a person's beard and hair have transformed into white is called 'lǎo'." The lower character is *máo* + *bào* [fanqie: mào]; the Liji says: "Eighty and ninety years of age is called 'mào'." Zheng Xuan says: "Confused and forgetful." The Shuowen jiezi writes it as 𧂕: "Ninety years of age; derived from 'lǎo' with an abbreviated 'hāo' as phonetic").