Theclusivity and the Indefinite Pronouns

"What's really happening is you have highly reduced auxiliary construction that looks like inflected pronouns," he says. "I suspect that oo comes from either ku or wu, which are the plural and singular forms of the second person pronoun themselves." In Swakili, Hausa Yoruba and Chui, where I could find information about it, there might be something that he ran across.