διαβήτης
From LSJ
οὐ παντὸς ἀνδρὸς ἐς Κόρινθον ἔσθ' ὁ πλοῦς → it's not for every man to make a journey to Corinth, not everyone can afford a trip to Corinth
English (LSJ)
ου, ὁ, (διαβαίνω)
A compass, so called from its outstretched legs, Ar.Nu.178, Av.1003. 2 carpenter's or stonemason's rule, ξύσας ὀρθὸν πρὸς διαβήτην IG12(2).11.20 (Lesbos), cf. ib.2.1054.10, Pl.Phlb.56b, Plu.2.802f, Sch.Il.2.765. II siphon, Colum.3.10, HeroSpir.1.29. III Medic., the disease diabetes, Aret.SD2.2, Philagr. ap. Orib.5.19.9, Gal.8.394.