Muß

From LSJ

βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόνonce limpid waters are stained with mud, you'll never find a drink

Source

German > Latin

Muß, das, necessitas (Notwendigkeit). – es ist ein M., necesse est.