ἀμφίβιος

ον, τό
A. living a double life, esp. amphibious, νομή, of frogs, Batr. 59; ἀ. στόμα Pl. Epigr. 2, cf. Ax. 368b; θήρ Man. 4.23; of plants, Thphr. HP 1.4.3; ἀμφίβιον,τό, = ἀλόη, Ps.-Dsc. 3.22:—said by Thphr. (Fr. 171.12) to have been first used by Democr.
2. metaph., of the soul, denizen of two worlds, Plot. 4.8.4; of man, Hierocl. in CA 23p.468M.; ὁ κατὰ τὴν ζωὴν κόσμος ἐστὶν οἷον ἀμφίβιον Dam. Pr. 81, cf. 85; φύσις ἀ. ib.399, cf. 400; of the moon, ἄστρον ἀ. πρὸς νύκτα καὶ ἡμέραν Max.Tyr. 40.4; of Tiresias (who lived both as man and as woman), Luc. Astr. 11.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project