ἔρεψις
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)
εως, ἡ,
A roofing, Thphr.HP5.6.1, Supp.Epigr.3.147 (iii B. C.) ; style of roof, Plu.Per.13, Ant.45, etc.
German (Pape)
[Seite 1026] ἡ, das Bedecken, Bedachen, das Dach, Theophr.; Plut. Pericl. 13 Anton. 45.