一切經音義 34.205

34.205

極劇（渠戟反顧野王云劇甚也說文作劇正字也從刀豦聲經作劇俗字）。

Extreme and severe (極劇: the second character is [qu] + [ji]. Gu Yewang says: '劇 [jù] means severe.' The Shuowen writes 劇 as the correct character; it derives from 刀 [knife] with 豦 [jù] phonetic. The sūtra text writes 剧, which is a vulgar character.).