diatessaron

noun

di·​a·​tes·​sa·​ron ˌdī-ə-ˈte-sə-rən 

: a harmony of the four Gospels edited and arranged into a single connected narrative

Word History

Etymology

Greek (Euangelion) dia tessarōn, literally, Gospel out of four, from dia through, out of + tessarōn, genitive of tessares four — more at dia-, four

First Known Use

1803, in the meaning defined above