רָבַב‎ (râbab|raw-bab'|verb|be many)
[Heb] רָבַב‎ ETCBC: רבב‎ (verb|be much) OSHL: t.ae.aa TWOT: 2099 GK: H8045
Derivation: a primitive root; (compare רָבִיב‎); also as denominative from רְבָבָה‎;
Strong's: properly, to cast together , i.e. increase, especially in number; to multiply by the myriad
KJV: increase, be many(-ifold), be more, multiply, ten thousands.