一切經音義 71.177

71.177

不肖（私妙反小尒疋不肖不似也言骨肉不似其先故曰不肖謂儜惡之類也字從肉小聲）。

不肖 (Fanqie: 私 + 妙 [xiào]. The Xiao Erya says: "不肖 means not resembling (不似). It means one's flesh and bones do not resemble one's forebears; hence it is called 不肖, referring to weak or wicked sorts. The character derives from 'flesh' (肉) with 'small' (小) as its phonetic.)