逆ぎゃく罪ざい

noun

crime of killing one's master or parent (Edo period)

Historical legal term from the Edo period referring to the grave crime of murdering one's lord or parent. Not used in modern law.

• 江え戸ど時じ代だいには、主しゅ君くんや親おやを殺ころすことは逆ぎゃく罪ざいとされ、極きょっ刑けいに処しょされた。

  In the Edo period, killing one's lord or parent was considered a grave crime and was punished by death.

noun

very grave sin

Buddhist term for an extremely serious sin, such as killing a parent or an arhat. Rare outside religious contexts.

• 仏ぶっ教きょうでは、親おや殺ごろしは逆ぎゃく罪ざいの一ひとつに数かぞえられる。

  In Buddhism, killing one's parent is counted among the very grave sins.