ματαιόω
From LSJ
τὸν θάνατον τί φοβεῖσθε, τὸν ἡσυχίης γενετῆρα, τὸν παύοντα νόσους καὶ πενίης ὀδύνας → why fear ye death, the parent of repose, who numbs the sense of penury and pain
English (LSJ)
A bring to naught, Sch.S.Tr.258, Gloss. 2 ματαιοῦσιν ἑαυτοῖς ὅρασιν invent a vision of their own, LXX Je.23.16. II more freq. in Pass., to be brought to naught, οὐ ματαιωθήσεται τὰ ῥήματα ib.Ju.6.4. 2 become foolish, act foolishly, ἐματαιώθην σφόδρα ib.1 Ch.21.8, cf. Ep.Rom.1.21; μεματαίωταί σοι thou hast done foolishly, LXX 1 Ki.13.13.
Greek (Liddell-Scott)
ματαιόω: ἴδε ματαιόομαι.
English (Strong)
from μάταιος; to render (passively, become) foolish, i.e. (morally) wicked or (specially), idolatrous: become vain.
