καθιδρ-ύω · kathidr-yō — LSJ
make to sit down, Ὀδυσῆα καθίδρυε Od. 20.257; μακάρων ἐς αἶαν σὸν καθιδρύσει βίον will carry thee to the land of the Blest that thou mayst live there, E. Ba. 1339:—Pass., sit down, settle, Ar. Av. 45; ἐν πόλει, ἐν τῷ ὄρει, Pl. Sph. 224d, Th. 4.46; κ. ἐς Ἀργώ take oneʼs seat in . . , Theoc. 13.28; to be quartered, of troops, PLond. 3.1313.11 (vi A.D.).
establish, place, ἐν τοῖς τιμιωτέροις τὸ τιμιώτερον (sc. τὴν καρδίαν) καθίδρυκεν ἡ φύσις Arist. PA 665b20; ἐφʼ ἑνὸς τόπου κ. τὴν ἱστορίαν to limit it, D.H. Th. 6:—Pass., κ. ἐς τὴν ἑωυτῶν χώρην to be restored, replaced, Hp. Fract. 31, cf. Prorrh. 2.19; ἐν αἷς [ἱστορίαις] καθιδρῦσθαι τὴν ἀλήθειαν ὑπολαμβάνομεν D.H. 1.1.
consecrate, dedicate, aor. 1 Med. καθιδρῡσάμην E. IT 1481; -ῠσάμην IG 14.882 (Capua): pf. Pass. in act. sense, E. Cyc. 318:—Pass., Ποσειδῶνος τοῦ κατιδρυθέντος ὑπὸ . . SIG 1020.5 (Halic., i B.C.); τεμένη -ύετο τῷ θεῷ Luc. Cal. 17.
found, γυμνάσιον LXX 2 Ma. 4.12.