ἄνω ποταμῶν ἱερῶν χωροῦσι παγαί → the springs of sacred rivers flow upward, backward to their sources flow the streams of holy rivers
subs.
Ar. πήρα, ἡ, σάκκος, ὁ, P. and V. ἀσκός, ὁ, θύλακος, ὁ (Eur., Cyclops), P. μάρσιππος, μάρσιπος, ὁ (Xen.).