一切經音義 4.7

4.7

迅速（笋俊反爾雅迅疾也說文從辵卂聲卂音信下素祿反爾雅疾也考聲云徵召也說文云從辵束聲辵音丑略反）。

Swift and rapid (迅速: sun [笋] + jun [俊] fan. The Erya says: “迅 means swift.” The Shuowen says it is formed from walking [辵] with 卂 phonetic; 卂 has the sound xin [信]. The second character, su [素] + lu [祿] fan. The Erya says: “Rapid.” The Kaosheng says: “To summon.” The Shuowen says it is formed from walking [辵] with 束 phonetic; 辵 has the sound of chou [丑] + lüe [略] fan).