רָבַב

English (Strong)

a primitive root (rather identical with רָבַב through the idea of projection); to shoot an arrow: shoot.
a primitive root; properly, to cast together (compare רְבִיבִים), i.e. increase, especially in number; also (as denominative from רְבָבָה) to multiply by the myriad: increase, be many(-ifold), be more, multiply, ten thousands.