δίκτυπος
From LSJ
τίς ἐς σὸν κρᾶτ' ἐπύκτευσεν → who hit you with the fist on the head, who has been pummeling your head
English (LSJ)
ον,
A double-sounding, ἠχώ Nonn.D.10.225.
German (Pape)
[Seite 630] ἠχώ, doppelt tönend, Nonn. D. 10, 225.
Greek (Liddell-Scott)
δίκτῠπος: -ον, διττῶς ἠχῶν, τὸν ἦχον ἐπαναλαμβάνων, ἠχὼ Νόνν. Δ. 10. 225.