Terms

Diatessaron

Diatessaron Concordances. diatessaron 1398 as a term in music meaning "interval of a fourth;" 1803 in reference to harmonizings of the gospels, especially that of Tatian (2c.), from Gk. dia tessaron, from dia "composed of" (lit. "through") + tessaron "four." http://www.etymonline.com/index.php?term=diatessaron
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