Γαγάτης
From LSJ
πάντα χωρεῖ καὶ οὐδὲν μένει καὶ δὶς ἐς τὸν αὐτὸν ποταμὸν οὐκ ἂν ἐμβαίης → all things move and nothing remains still, and you cannot step twice into the same stream
English (LSJ)
(sc. λίθος), ου, ὁ,
A lignite, Orph.L.474, Plin.HN36.141, Dsc.5.128, Gal.12.203, Gp.15.1.32. 2 jet, Solin.22.11. II = ἀστράγαλος, cj. in Ps.-Dsc.4.61. (From Γάγας or Γάγγαι, a town and river in Lycia.)
