[Meaning] stimulation, heating, burning with madness.[1]
They call any impulse oi)=stros. From this also comes oi)strodo/nhtos muxo/s ["the whirling depth"], that which is driven by the wind. Aristophanes [writes]: "and you, Poseidon of the sea, leaving the fishy whirling depth [...]."[2]
And the Pisidian [writes]: "for there is a frenzy, especially among the barbarians, to have an unstable inclination for change."[3]