κάρκαρον
From LSJ
καὶ κεραμεὺς κεραμεῖ κοτέει καὶ τέκτονι τέκτων, καὶ πτωχὸς πτωχῷ φθονέει καὶ ἀοιδὸς ἀοιδῷ → and potter is ill-disposed to potter, and carpenter to carpenter, and the beggar is envious of the beggar, the singer of the singer
English (LSJ)
τό,
A prison, Sophr.147:—also κάρκᾰρος, ὁ, D.S.31.9: indeterm. in Vett.Val.68.26: pl. κάρκαροι, = δεσμοί, and κάρκαρα, = μάνδραι, Hsch.
German (Pape)
[Seite 1327] τό, das Gefängniß, carcer; D. Sic. ecl. p. 516, 38; Sophron. bei Phot. lex.