A.to be in want of, lack, c. gen. rei, “χρυσοῦ ἐπιδεύεαι” Il.2.229, cf. Od.15.371, Nic.Th.57; need the help of, c. gen. pers., “σεῦ ἐπιδευομένους” Il.18.77.
II.. to be lacking in, fall short of, c. gen. rei, “μάχης ἐπιδεύομαι” 23.670, cf. 17.142: also c. gen. pers., πολλὸν κείνων ἐπιδεύεαι ἀνδρῶν fallest far short of them, 5.636; or both together, “οὔ τι μάχης ἐπιδεύετ᾽ Ἀχαιῶν” 24.385: later c. acc. rei, “ἀλκήν” A.R.2.1220.—The Act. occurs only in Aeol. fut. inf. ἐπιδεύσην, f.l. in Sapph.2.15 (v. ἐπιδευής).