Ἴστρος · Istros — LSJ
Ister, Danube, Milesian colony at its mouth, of, from Istria, tattooed, Scythian
Ister, Danube, Hes. Th. 339, etc.; Ἴστρος, ἡ, Milesian colony at its mouth, St.Byz.; also called Ἰστρία, ἡ, Arr. ap. eund., Ion. -ίη, Hdt. 2.33:—Adj. Ἰστριᾱνός, Ion. Ἰστρι-ηνός, ή, όν, of or from Istria, Hdt. 4.78, St.Byz., etc.; Ἰστριανὰ πρόσωπα tattooed masks, like the faces of Scythian slaves, Ar. Fr. 88; Ἰστριαναὶ ζειραί Scythian tunics, prob. for ἰσπνιᾶται σειραί (glossed ἰστρηνίδες), Theognost. Can. 14; ἰστριανά, τά, covers for the baskets carried by κανηφόροι, Poll. 10.191:—fem. Ἰστριᾱνίδ