A). ἵδρῡσα Il. 15.142 , E. Ba. 1070 : pf. ἵδρῡκα (καθ-) Arist. PA 665b20 :— Med., fut. -ύσομαι E. Heracl. 397 , Ar. Pl. 1198 : aor. ἱδρῡσάμην Hdt. 6.105 , Anacr. 104 , Ar. Pl. 1153 :— Pass., fut. ἱδρυθήσομαι D.H. Comp. 6 : aor. ἱδρύθην Ar. Fr. 245 , etc.; freq. written ἱδρύνθην in codd., as Il. 3.78 , Hp. Coac. 309 , A.R. 3.1269 : pf. ἵδρῡμαι, used both in pass. and med. sense (v. sub fin.).[ῐ by nature, E. Ba. 1070 , Ar. Fr. 26 D., etc., but freq. lengthd. by position, E. Hipp. 639 , Ar. Pl. 1153 , etc.: ῡ by nature, even in ἱδρύεται E. Heracl. 786 ; but ἵδρῠε Il. 2.191 ; καθίδρῠε Od. 20.257 : ῡ in fut. and aor. 1, exc. in late Poets, as AP 7.109 (ἐν-, < D.L. >), Man. 3.80 (dub.), Arch.Pap. 2.570 , Nonn. D. 4.22 : pf. Pass. ἵδρῡμαι A. Supp. 413 , E. Heracl. 19 , Hel. 820 , Theoc. 17.21 , etc.:—make to sit down, seat, αὐτός τε κάθησο καὶ ἄλλους ἵδρυε λαούς Il. 2.191 ; ἵδρυσε θρόνῳ ἔνι θοῦρον Ἄρηα 15.142 , cf. Od. 3.37 ; ἱ. τινὰ εἰς θρόνους E. Ion 1573 ; ὄζων ἔπι Id. Ba. 1070 ; ἵδρυσε τὴν στρατιὴν ἐπὶ ποταμῷ encamped the army, Hdt. 4.124 , cf. Th. 4.104 :— Pass., to be seated, sit still, τοὶ δ’ ἱδρύνθησαν ἅπαντες Il. 3.78 ; κατ’ οἶκον ἵδρυται γυνή E. Hipp. 639 ; of an army, lie encamped, Hdt. 4.203 ,al., Th. 7.77 , al.; Πελοπόννησος ἀσφαλέως ἱδρυμένη secure, Hdt. 6.86 . ά; ἐν θεῶν ἕδραισιν ὧδ’ ἱδρυμένας A. Supp. 413 ; ἡ στρατιὰ βεβαίως ἔδοξεν ἱδρῦσθαι seemed to have got a firm footing, Th. 8.40 ; ἱ. ἐπὶ τῶν ἵππων Ael. Tact. 2.4 .

2). settle persons in a place, εἰς τόνδε δόμον E. Alc. 841 ; ἐν τοῖς ἀστοῖσιν Ἄρη ἐμφύλιον ἱ. to give a footing to, i.e. excite, intestine war, A. Eu. 862 ; ἱ. πολλοὺς ἐν πόλει Plu. Pomp. 28 :— Pass., to be settled, Hdt. 8.73 ; ποῦ κλύεις νιν ἱδρῦσθαι χθονός; S. Tr. 68 ; ἐς Κολωνὰς ἱδρυθείς Th. 1.131 ; μεταξὺ φρενῶν ὀμφαλοῦ τε ἱδρῦσθαι Pl. Ti. 77b ; of local diseases, πόνος ἐς στῆθος ἱδρυνθείς Hp. Coac. 309 ; τὸ ἐν κεφαλῇ .. ἱδρυθὲν κακόν Th. 2.49 .

3). Med., establish, τινὰ ἄνακτα γῆς E. Ph. 1008 ; τινὰ ἐς οἶκόν τινος Id. Hel. 46 ; ἱδρύσασθαι τοὺς βίους to choose settled modes of life, D.H. 1.68 ; ἱ. οἴκησιν Pl. Smp. 195e .

4). pf. Pass. ἵδρυμαι, of places, to be situated, lie, of a city, Hdt. 2.59 , cf. A. Pers. 231 , Pl. Lg. 745b .

5). Pass., settle down, become quiet, Hp. Epid. 3.17 .ιέ.

II). set up, found, esp. in Med., dedicate temples, statues, etc., Anacr. 104 , Simon. 140 , etc.; Πανὸς ἱρόν Hdt. 6.105 , cf. 1.105 , al.; βρέτας E. IT 1453 ; βωμούς Pl. Prt. 322a , al.; ἱδρύσασθαι [Ἑρμῆν] set up a statue of H., Ar. Pl. 1153 ; Εἰρήνην Id. Pax 1091 : also c. dat., τὴν δαίμον’ ἢν ἀνήγαγον ἐς τὴν ἀγορὰν ἄγων ἱδρύσωμαι βοΐ Id. Fr. 26D. :— Pass., ἐξ οὗ τὸ ἱρὸν ἵδρυται Hdt. 2.44 , cf. 1.172 ; βωμὸς -ύθη Ar. Fr. 245 ;[ Πλοῦτος] -υμένος Id. Pl. 1192 ; at Athens, ἥρωες κατὰ πόλιν ἱδρυμένοι the heroes who had statues erected to them, Lycurg. 1 : pf. Pass. in med. sense, Hdt. 2.42 , Men. 202 .