ἰλύς
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)
[ῑ], ύος, ἡ,
A mud, slime, τεύχεα . . κείσεθ' ὑπ' ἰλύος κεκαλυμμένα Il.21.318, cf.IG12.94.20, 23, Zeno Stoic.1.29, Inscr.Délos 354.19, etc.; of alluvial soil, Hdt.2.7; ἰ. καὶ ψάμμος Hp.Aër.9. 2 dregs, sediment, Id.Mul.1.66; of wine, Arist.GA753a24, al. 3 impurity, αἵματος Gal.1.603, cf. 616; στέρνων Androm. ap. eund.14.35. [ἰλῡς -ῡν Choerob.in Theod.1.331; gen. ἰλῠος APl.4.230 (Leon.), A.R. 1.10, but ἰλῡος (metri gr. Hdn.Gr.2.117) Il. l.c.] (Cf. Russ. il, Polish it 'mud', 'potter's clay'.)
