毫ごう釐り

noun

very small quantity; minute amount

Literary and archaic term for an extremely tiny amount or difference. Often used in classical or formal contexts, such as 毫釐の差 (a hair's breadth of difference).

• 毫ごう釐りの差さが千せん里りの誤あやまりを生うむ。

  A tiny difference can lead to a huge mistake.