ποτάμιος
ἀκμὴ οὐδὲ ἔχει γενέσεως ὑπόστασιν καθ' ἑαυτήν → the culmination has no power of originating by itself
English (LSJ)
α, ον, also ος, ον E.El.309, but cf. 56:—
A of or from a river, ὄχθαι A.Th.392; ποτά S.Fr.659.5; δρόσος, ὕδατα, χεύματα, ῥεῖθρα, E.Hipp.127 (lyr.), Alc.159, Hel.1304 (lyr.), El. 152 (lyr.), 794; κύκνος Id.Rh.618; οἱ ἵπποι οἱ π. Hdt.2.71, cf. Arist. HA502a9; ὁ π. χοῖρος Id.Fr.300; τὰ π. (sc. ζῷα), opp. τὰ θαλάττια, etc., Id.HA487a27; of plants, Thphr.HP4.10.1; ναῦς Jul.Or.1.22a; ναῦται PGiss.40 ii 18 (iii A. D.). 2 of cities, on a river, Pi.P.6.6; ποταμία (sc. χώρα) Str.11.3.2, al. 3 epith. of Artemis, from the connexion of her worship with that of rivers, Pi.P.2.7; π. θεοί Artem.2.34. 4 Ποτάμιος (sc. μήν), ὁ, month at Chalcedon, GD1 3053.