εἰσπίτνω
From LSJ
Τοὺς δούλους ἔταξεν ὡρισμένου νομίσματος ὁμιλεῖν ταῖς θεραπαινίσιν → He arranged for his male slaves to have sex with female slaves at a fixed price (Plutarch, Life of Cato the Elder 21.2)
English (LSJ)
poet. form of εἰσπίπτω, E.Tr.751.
German (Pape)
[Seite 745] dasselbe, Eur. Tr. 746, besser εἰσπιτνών als aor.