λίσφος
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)
η, ον, Att. for ἄπυγος, Moer.p.245 P.; said to be Att. for λίσπος (q. v.), Tz.ad Hes.Op.156. II as Subst. λίσφοι, οἱ, = ἴσχια, EM567.20.