From en and pneo; to inhale, i.e. (figuratively) to be animated by (bent upon) -- breathe.
see GREEK en
see GREEK pneo
1. to breathe in or on (from Homer down).
2. to inhale (Aeschylus, Plato, others); with partitive genitive, ἀπειλῆς καί φόνου, threatening and slaughter were so to speak the element from which he drew his breath, Acts 9:1; see Meyer at the passage, cf. Winers Grammar, § 30, 9c.; (Buttmann, 167 (146)); ἐμπνέον ζωῆς, the Sept. Joshua 10:40.