Plural addressee marker and grammaticalization in Barayin

Abstract This article describes two distinct but related grammaticalization paths in Barayin, an East Chadic language. One path is from a first-person plural pronoun to a first-person dual pronoun. Synchronically, the pronominal forms in Barayin with first-person dual number must now be combined with a plural addressee enclitic, nà , to create a first-person plural pronoun. This path is identical to what has been documented in Philippine-type languages. The other path is from a first-person dative suffix to a suffix dedicated to first-person hortative. This path of grammaticalization has not been discussed in the literature. It occurred in several related languages, and each case results in a hortative form with a dual subject. Hortative forms with a plural subject are created by adding a plural addressee marker to the dual form. The plural addressee marker in Chadic languages is derived from a second-person pronominal.