ἀλλὰ σὺ μὲν νῦν στῆθι καὶ ἄμπνυε → but you, stop now and catch your breath | but do thou now stand, and get thy breath
lūcī: abl. as adv., v. luxI init. and I. 2. b.
lūcī, v. lux.
lūcī = luce, s. lux.