Strong's #4517: rhonnumi (pronounced hrone'-noo-mee)

prolongation from rhoomai (to dart; probably akin to 4506); to strengthen, i.e. (impersonal passive) have health (as a parting exclamation, good-bye):--farewell.

Thayer's Greek Lexicon:

̔́

rhōnnumi

1) to make strong, strengthen

2) to be strong, to thrive, prosper

3) in the usual formula in closing of a letter, farewell

Part of Speech: verb

Relation: prolongation from rhoomai (to dart, probably akin to G4506)

Usage:

This word is used 3 times:

 

Acts 15:29: "from which if ye keep yourselves,"
Acts 15:29: "from which if ye keep yourselves,"
Acts 23:30: "before thee what they had against him. Farewell."