Πάκτυες

From LSJ

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

Source

Russian (Dvoretsky)

Πάκτυες: οἱ пактии (племя в Персии) Her.