ر ب ب (rā bā bā) arabic root word meaning.

to be a lord and master, collect, possess/owner, rule, increase, complete, bring up, preserve, chief, guardian, regulator, determiner, caretaker, provider, sustainer, perfecter, rewarder, creator, maintainer, reposer of properties, developer, former of rules and laws of the growth, foster a thing in such a manner as to make it attain one condition after another until it reaches its goal of completion, the bringing a thing to a state of completion by degrees, whoever possesses a thing is it's rabb.