καθίδρυσις

εως, ἡ
A. = ἵδρυσις, ἑαυτῆς, of Artemis, D.S. 4.51; ἀγαλμάτων Iamb. Myst. 5.23 (pl.), cf. Poll. 1.11, Cat.Cod.Astr. 8(4).252; ἀνδριάντων Cod.Just. 1.4.26.6 (pl.); foundation-festival, BGU 1.28 (ii/iii A.D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project