Travels to Discover the Source of the Nile
In discussing Ethiopia's legal system, Bruce adds another interpretation of the linguistic history of the association between Prester John and the Ethiopian negus: "These complaints [to the emperor], whether real or feigned, have always for their burden Rete O Jan hoi!, which, repeated quick, very much resembes Prete Jianni, the name that was given to this prince, of which we never knew the derivation" (qtd. in Brewer, p. 298).