ἀμαθαίνω
From LSJ
ἀναπηδῶσιν πάντες ἐπ' ἔργον → everyone jumps up from bed to work, everyone jumps up to work
English (LSJ)
(ἀμαθής)
A to be untaught, ignorant, only pres.; abs., Pl.R.535e, Ph.1.498, Aristid.34(50).44, Plot.4.4.24; ἀ. τι or εἴς τι to be ignorant in a thing, Pl.Lg.689c, 689d.