noun
great difference; wide divergence
Literary noun meaning a very large gap or difference between two things. Rare in modern Japanese; more common in classical or formal written contexts.
両者の意見には径庭がある。
There is a great difference between the two opinions.
この二つの作品の間には径庭が見られる。
A wide divergence can be seen between these two works.
The exact derivation is uncertain; the kanji 径 (path, diameter) and 庭 (garden, yard) combine to suggest a gap as wide as the distance between a path and a garden, metaphorically indicating a large difference.