Ἰλισός
Ἰλισός, the Ilissus river
Could not find Ἰλισσὸν in Logeion dictionaries.
Ἰλισσὸν Proper-name noun masculine accusative singular of Ἰλισός
Ἰλῑσός [ῑλ], οῦ, ὁ,
- the Ilissus, in Attica, Pl. Criti. 112a, Hdn.Gr. 1.213, etc.: Ἱλισός, the god I., IG 1(2).324.89, cf. 310.206: Ἰλισσός freq. f.l. in codd., as Hdt. 7.189, Str. 9.1.24, A.R. 1.215, D.P. 424: Εἰλισσός f.l. in Paus. 1.19.5.