自じ己こ同どう一いつ性せい

noun

self-identity; personal identity

A formal, somewhat academic term referring to the sense of being a consistent, unified self over time. Often used in psychology and philosophy.

• 青せい年ねん期きには自じ己こ同どう一いつ性せいの確かく立りつが重じゅう要ような課か題だいとなる。

  Establishing self-identity becomes an important task during adolescence.