רְבוּ (rᵉbûwreb-oo'noun|femininegreatness)
[Arc] רְבוּ ETCBC: רְבוּ‎ (subs|greatness) OSHL: xt.ac.ab TWOT: 2985a GK: H10650 Greek: μεγαλειότης, μεγαλωσύνη
Derivation: (Aramaic) from a root corresponding to רָבָה;
Strong's: increase (of dignity)
KJV: greatness, majesty.