εὑρεσίκακος
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
English (LSJ)
ον,
A inventive of evil, Sch.E. Med.407.
German (Pape)
[Seite 1092] erfinderisch im Bösen, Schol. Eur. Med. 407.