Daie Soko, a Zen priest of Kanna-zen in the period of the Chinese Southern Sung Dynasty, rebuked the Zen style of the antagonistic Kochi school and called it 'Mokusho Jashi style' (literally, 'a style of wicked mentor Mokusho'); from that event the Kochi school became called 'Mokusho-zen.'
南宋代の禅僧、大慧宗杲が対立する宏智派の禅風を非難して「黙照邪師」と呼んだことに始まる。