ἀδιεξίτητος
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
English (LSJ)
ον, (διέξειμι)
A that cannot be exhausted, infinite in extent or duration, Arist.Ph.207b29, cf. Alex.Aphr.in Top. 86.27, Plot.2.4.7, al.; αἰών Ph.1.554. 2 with no outlet, ἄγυια Orib.9.20.3.