οἴσετε

From LSJ

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

Source

English (Autenrieth)

see φέρω.

Russian (Dvoretsky)

οἴσετε: эп. pl. imper. aor. к φέρω.

German (Pape)

imper. fut. zu φέρω.