בָּטַח
From LSJ
ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
English (Strong)
a primitive root; properly, to hie for refuge (but not so precipitately as חָסָה); figuratively, to trust, be confident or sure: be bold (confident, secure, sure), careless (one, woman), put confidence, (make to) hope, (put, make to) trust.