寸すん毫ごう

noun

(not) the slightest bit; (not) at all

Formal/literary negative-polarity item used with a negative predicate, often as 寸毫も〜ない. Emphasizes that something is not present even in the smallest amount.

• 彼かれの話はなしには寸すん毫ごうの真しん実じつもない。

  There is not the slightest bit of truth in his story.

• 寸すん毫ごうも疑うたがう余よ地ちはなかった。

  There was no room for doubt at all.