diatessaron

Etymology
From, from  +  (genitive plural of ).

Noun

 * 1)  The interval of a fourth or the harmonic ratio 4:3.
 * 2)  A continuous narrative arranged from the first four books of the New Testament (the canonical gospels).
 * 3)  An electuary compounded of four medicines.

Etymology
From  "every fourth".

Noun

 * 1)  a fourth
 * 2) a medicine made of four ingredients.