同どう期き生せい

noun

classmate; person in the same year group

Refers to someone who entered a school, company, or organization in the same year, or graduated together. Broader than just a classmate; it emphasizes the shared cohort.

• 彼かれは大だい学がくの同どう期き生せいです。

  He is a classmate from university.

• 同どう期き生せいと一いっ緒しょに研けん修しゅうを受うけた。

  I attended training together with my fellow new hires.

noun

sumo wrestler who debuted in the same tournament

Sumo-specific term for wrestlers who began their professional careers in the same tournament. Not used in everyday conversation.

• 彼かれは私わたしの同どう期き生せいで、同おなじ場ば所しょで初はつ土ど俵ひょうを踏ふんだ。

  He is my fellow debutant; we first stepped into the ring at the same tournament.