noun: [14] Etymologically, a noun is simply a ‘name’. Latin nomen ‘name’ (a relative of English name) was used by classical grammarians for a ‘noun’ – that is, a word that ‘names’ something – and English acquired it via Old French non and Anglo-Norman noun.
noun (n.)
late 14c., from Anglo-French noun "name, noun," from Old French nom, non (Modern French nom), from Latin nomen "name, noun" (see name (n.)). Old English used name to mean "noun." Related: Nounal.
例文
1. The noun "mouse "is the singular form of "mice ".
名詞mouseはmiceの単数形.
2.In "the black cat "the adjective "black "modifies the noun "cat ".