πρέπει
From LSJ
Ἰὸς πέφυκεν ἀσπίδος κακὴ γυνή → Ipsum venenum aspidis mulier mala → Das reinste Natterngift ist eine schlechte Frau
Greek Monolingual
ΝΜΑ
(γ' εν. πρόσ.) βλ. πρέπω.
English (Woodhouse)
(see also: πρέπω) it behoves, it is fit, it is incumbent on, it is meet, it is proper