pronoun inventory
Definition - The set of pronouns used by the speakers of a particular language.

Example Usages -

1. “Piraha╦ť has the simplest pronoun inventory known. Moreover, it appears that all its pronouns were borrowed recently from a Tupi-Guarani language, either the Lingua Geral or Kawahiv (Tenharim or Parintintin) (see also Nimuendaju ´ 1925).”
(Source: Cultural Constraints on Grammar and Cognition in Pirahã: Another Look at the Design Features of Human Language. Everett, Daniel L. Current Anthropology, Vol 46(4), Aug-Oct 2005, 621-634. (page 628) )

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