ἄνω ποταμῶν ἱερῶν χωροῦσι παγαί → the springs of sacred rivers flow upward, backward to their sources flow the streams of holy rivers
myrtum: (murtum), i, n., = μύρτον,
I the fruit of the myrtle, a myrtle-berry: cruenta myrta, Verg. G. 1, 306; cf. Plin. 15, 29, 35, § 118.