親方思いの主倒し
also: おやかたおもいのしゅだおし
Meanings
1
trying to help one's master but instead ending up hurting him
idiomatic expressionarchaic
Archaic idiomatic expression describing a well-intentioned action toward one's master that backfires and causes harm. Rare in modern Japanese; found in classical or historical contexts.
"Oyakataomoi no shutaoshi" is an old expression meaning that one's excessive concern for one's master ends up causing harm instead.