ῥάκιον
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
τό, Dim. of ῥάκος, mostly in pl.,
A rags, Ar.Ach.412, V.128, al.: in sg., ῥάκιόν τι τοῦ παλαιοῦ δράματος Id.Ach.415; of a tattered flag, Them.Or.16.210b. [ῥᾱκ- in BCH51.326 (Athens), pl.]
German (Pape)
[Seite 833] τό, dim. von ῥάκος; Ar. Ach. 387 Vesp. 128 u. öfter; Luc. D. mort. 1, 2 Gall. 26 u. a. Sp.