元もと交こう際さい相あい手て

noun

former boyfriend; former girlfriend; ex-partner

Refers to a person one previously dated or had a romantic relationship with. Gender-neutral; context determines whether it means ex-boyfriend or ex-girlfriend.

• 元もと交こう際さい相あい手てから突とつ然ぜん連れん絡らくが来きた。

  I suddenly got a message from my ex.

• 彼かの女じょは元もと交こう際さい相あい手てのことをまだ引ひきずっている。

  She is still hung up on her ex-boyfriend.