A.cause to strike root: metaph., plant, fix firmly, “ὅς μιν [τὴν ναῦν] λᾶαν θῆκε καὶ ἐρρίζωσεν ἔνερθεν” Od.13.163; [νήσους] κατὰ βυσσὸν πρυμνόθεν (s. v.l.) Call.Del.35:—Pass., of trees and plants, take root, strike root, X.Oec.19.9, Thphr.CP1.2.1:—Med., ἄριστον ῥιζώσασθαι, of the fig, Id.HP2.5.6; so αἱ πίνναι ἐρρίζωνται, opp. ἀρρίζωτοι, Arist. HA548a5; “ῥ. ἐπί τινος” AP6.66 (Paul.Sil.); ὀδὸς βάθροισι γῆθεν ἐρριζωμένος made fast or solid, S.OC1591; of a bridge, “αἰώνιος ἐρρίζωται” Epigr.Gr.1078.7 (Adana).
2. metaph., “ἐρρίζωσε τὴν τυραννίδα” Hdt.1.64:—Pass., τυραννὶς ἐρριζωμένη ib.60, cf. Pl.Lg.839a; ἐξ ἀμαθίας πάντα κακὰ ἐρρ. have their root in . . , Id.Ep.336b, cf. SE. Med.1.271; ἐν ἀγάπῃ ἐρρ. Ep.Eph.3.18.