רִבּוֹ (ribbô) is
a Hebrew noun
meaning ten thousand. It appears
11 times
in 7 books of the Hebrew Bible
(Strong's H7239).
Same Hebrew root (TWOT 2099e)
Range of meaning (TWOT 2099e)ten thousand, myriad; large number; great things
Full entry: Brown-Driver-Briggs and Strong's
רִבּוֹnoun, feminine: ten thousand, myriad
Strong's H7239רִבּוֹ: a myriad, i.e. indefinitely, large number KJV:great things, ten ((eight) -een, (for) -ty, sixscore, threescore, × twenty, (twen) -ty) thousand.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2099: רָבַבrābab — be, become, many, much; cast together, increase, multiply by the myriad; be manifold, be more, multiply, ten thousands