στομαλγία
From LSJ
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
English (LSJ)
ἡ,
A soreness of the mouth, ibid.: metaph., mouth-plague, i.e. incessant chattering, Id.2.101.
German (Pape)
[Seite 947] ἡ, eigtl. Mundschmerz, übertr. Geschwätzigkeit, freches, zügelloses Reden, Poll. 2, 101.