noun, noun which may take the genitive case particle 'no'
male characteristics; manliness
Refers to traits or qualities associated with males, often used in biological or social contexts.
彼は雄性にあふれた態度で話した。
He spoke with an attitude full of manliness.
この植物
This plant shows male characteristics.
Compound of 雄 (ゆう, 'male') and 性 (せい, 'nature, characteristic'). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning.