κακῆς ἀπ΄ἀρχῆς γίγνεται τέλος κακόν. → from a bad beginning comes a bad end (Euripides' Aeolus fr. 32)
P. and V. τιμωρός, V. ποίνιμος, δικηφόρος, τιμάορος.
avenging spirit: P. and V. ἀλάστωρ, ὁ, P. ἀλιτήριος, ὁ or ἡ.