of or for the foundation, λίθοι Ar. Av. 1137; οἰκόπεδα D.S. 5.66: abs., θεμέλιος (sc. λίθος), ὁ, foundation-stone, Arist. Ph. 237b13, Metaph. 1013a5: metaph., τῆς τέχνης θ. Macho ap. Ath. 8.346a; θ. ἀγνοίας Ph. 1.266; οἱ θ. ἐκ παντοίων λίθων ὑπόκεινται the foundations, Th. 1.93; τοὺς θ. ἐκ τῶν λίθων οἰκοδομεῖσθαι Arist. PA 668a19: metaph., προλιπεῖντοὺς προγονικοὺς θ. SIG 888.70 (Scaptopara, iii A.D.): also neut. θεμέλιον Arist. APo. 95b37 (s.v.l.), PPetr. 3p.121 (iii B.C.), al.: pl., τὰ θ. Aris
θεμέλια, τά, building sites, Ptol. Tetr. 174, cf. Vett.Val. 82.24, al.
Subst., the fourth τόπος, = ἀντιμεσουράνημα, Herm.Trism. in Cat.Cod.Astr. 8(3).101, cf. 8(4).241.