noun
Refers to the quality or state of being an individual, often used in biological, philosophical, or psychological contexts.
生物の個体性は遺伝子と環境によって決まる。
The individuality of an organism is determined by genes and environment.
彼の作品には強い個体性が感じられる。
His works have a strong sense of individuality.
Compound of 個体 (individual, entity) and 性 (nature, quality). The exact historical derivation is uncertain, but the term is used in modern Japanese to express the concept of individuality.