τριάς

Etymology
From. First use in the Christian theological sense dates back to the second century AD, predating Latin.

Noun

 * 1) the number three
 * 2) a group of three; triad
 * 3)  system of three strophes
 * 4)  Trinity
 * 1)  system of three strophes
 * 2)  Trinity
 * 1)  Trinity