思おもい断たつ

godan verb (-tsu), transitive verb

give up; abandon; renounce

Obsolete term meaning to decisively give up or abandon a thought, intention, or attachment. Not used in modern Japanese; the modern equivalent is 思い切る or 諦める.

• 古ふるい文ぶん献けんでは、恋こいを思おもい断たつという表ひょう現げんが見みられる。

  In old texts, the expression 思い断つ is found, meaning to give up on love.