διάπικρος
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)
ον,
A very bitter, ὕδωρ D.S.2.48, 19.98.
Greek (Liddell-Scott)
διάπικρος: -ον, λίαν πικρός, κατάπικρος, ὕδωρ Διόδ. 2. 48.
Spanish (DGE)
-ον completamente amargo ὕδωρ D.S.2.48, 19.98.
Russian (Dvoretsky)
διάπικρος: очень горький (ὕδωρ Diod.).