καινόφωνος
From LSJ
ἤ με φίλει καθαρὸν θέμενος νόον, ἤ μ' ἀποειπών ἐχθαιρ' ἀμφαδίην νεῖκος ἀειράμενος → either love me with a pure heart, or reject and hate me, and openly pick a fight
English (LSJ)
ον,
A new-sounding, λέξεις Eust.1761.23, etc.
German (Pape)
[Seite 1295] λέξις, neuer, ungewohnter Ausdruck, Eust. 1761, 22.