Pythian 8.45

example of the elliptic plural, a grammatical formation where plurality consists not of A+A+A+A . . . but of A+B+C+D . . ., and where A is the defining and dominant principle, while B+C+D . . . are extensions thereof: the plural of patēr ('father'), pateres in the sense of 'ancestors' consists of a primordial father followed by an unbroken succession of fathers