Ra-Be-Vav / ربو
Ra-Be-Vavربوrbw
it increased/augmented, the practicing/taking of usury, excess/addition, an addition obtained more than what is supposed to be received, become high/grown up/large/swollen/risen, mount up, to grow/swell, out of breath, panting. rabiyatun - ever-increasing, severe. arba (comp. form) - more numerous, more increased.