βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
probably of Hebrew origin (compare נֹ֫גַהּ); Nangæ (i.e. perhaps Nogach), an Israelite: Nagge.