一切經音義 47.268

47.268

敦肅（古文惇同都乇反說文惇厚也下思六反肅敬也嚴也謂嚴整之貌也亦戒也自敬也）。

Sincere and solemn (dunsu; ancient character is 惇; fanqie: 都 + 乇 [d- + -un → dun]; the Shuowen jiezi states: dun means generous and solid; the second character: fanqie: 思 + 六 [s- + -uk → su]; su means respectful and stern, describing an austere and orderly appearance; it also means cautious, respecting oneself).