neuter
n.n. a word or a person that does not have a gender. In grammar, it describes a word that does not change to show if it is male, female, or neither.
n. a grammatical category or a person or thing that is neither male nor female. In a linguistic context, it refers to a noun or pronoun that does not distinguish between genders.
The word 'book' is a neuter noun in English.
In many languages, the neuter gender is used for objects or abstract concepts that do not have a biological sex.
The transition from a masculine to a neuter form in the plural indicates a shift in the speaker's perspective toward the subject matter.
Inherited from Middle English neutre, from Latin neuter, from ne (“not”) + uter (“whether”), a semantic loan from Koine Greek οὐδέτερος (oudéteros); compare English whether and neither.