רָבַב
From LSJ
Βίων δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Bion used to say that we have two teachers for death: the time before we were born and sleep | Bion said that there are two rehearsals for death: the time before being born and sleep
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.
