ἀντιδόκιον
From LSJ
Τί κοινότατον; ἐλπίς. καὶ γὰρ οἷς ἄλλο μηδέν, αὕτη πάρεστι → What is most common? Hope. For those who have nothing else, that is always there.
English (LSJ)
τό, Archit., course supporting beams, ἀ. λίθινον Milet. 3p.172 (iii B. C.).
Spanish (DGE)
τό
arq. hilada o soporte de las vigas ἀ. λίθινον Milet 1(3).32.4 (III a.C.).