Spivakian pronouns or Spivak pronouns are a specific set of gender-neutral pronouns created by mathematician Michael Spivak. These pronouns can be used in speech and writing in place of he/she pronouns. The Spivakian pronouns are as follows: Subject: e, Object: em, Possesive Adjective: eir, Possesive Pronoun: eirs, Reflexive: emself.
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The history of Spivakian pronouns goes back to the late 1970s, but they did not come to be called by that name until May of 1991 when a programmer added “spivak” as a gender option on the game LambdaMoo, causing the game to refer to players who chose it with the pronouns e, em, eir, eirs, and, emself.