ἰλύς

ύος, ἡ
A. mud, slime, τεύχεα . . κείσεθ’ ὑπ’ ἰλύος κεκαλυμμένα Il. 21.318, cf.IG 12.94.20, 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. GA 753a24, al.
3. impurity, αἵματος Gal. 1.603, cf. 616; στέρνων Androm. ap. eund.14.35. [ἰλυς ‐υν Choerob. in Theod. 1.331; gen. ἰλυος APl. 4.230 (Leon.), A.R. 1.10, but ἰλυος (metri gr. Hdn.Gr.2.117) Il. l.c.] (Cf. Russ. il, Polish it 'mud', 'potter's clay'.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project