Meaning

noun a content word that can be used to refer to a person, place, thing, quality, or action

noun the word class that can serve as the subject or object of a verb, the object of a preposition, or in apposition

originEtymology tree Proto-Indo-European *h₁nómn̥ Proto-Italic *nōmn̥ Latin nōmen Anglo-Norman noun, non, nombor. Middle English noun English noun Inherited from Middle English noun, from Anglo-Norman noun, non, nom, from Latin nōmen (“name; noun”). The grammatical sense in Latin was a semantic loan from Koine Greek ὄνομα (ónoma). Doublet of name and nomen.

Etymology from Wiktionary, CC BY-SA 3.0