(ちょうけい)

ちょうけい
noun
eldest brother
1. eldest brother; oldest brother
The oldest male sibling in a family. A formal or literary term used when specifying birth order among brothers.
長兄(ちょうけい)医者(いしゃ)だ。
My eldest brother is a doctor.
長兄(ちょうけい)家業(かぎょう)()いだ。
The eldest brother took over the family business.
三人(さんにん)兄弟(きょうだい)長兄(ちょうけい)として、いつも(おとうと)たちの面倒(めんどう)()ていた。
As the eldest of three brothers, he always looked after his younger brothers.

A somewhat formal term. In everyday conversation, 一番上(いちばんうえ)(あに) or simply (あに) is more common. 長兄(ちょうけい) appears in written Japanese, biographical descriptions, and when explicitly distinguishing among multiple brothers.

RELATED FAMILY TERMS:

  • 長姉(ちょうし) — eldest sister
  • 次兄(じけい) — second eldest brother
  • 末弟(まってい) — youngest brother
  • 長男(ちょうなん) — eldest son (emphasizes birth order among sons, not specifically 'brother')

USAGE:
In traditional Japanese families, the 長兄(ちょうけい) often had a special role as the expected heir to the family name and business.