ὀπισθοτονία
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)
ἡ,
A a disease in which the body is drawn back and stiffens, tetanic recurvation, Cael.Aur.CP3.61.
German (Pape)
[Seite 358] ἡ, eine Krankheit, durch welche die Glieder nach hinten gezogen werden und steif werden, Hippocr.