From pleion; to do, make or be more, i.e. Increase (transitively or intransitively); by extension, to superabound -- abound, abundant, make to increase, have over.
see GREEK pleion
1. intransitive: used of one possessing, to superabound (A. V. to have over), 2 Corinthians 8:15. of things, to exist in abundance (R. V. be multiplied), 2 Corinthians 4:15; to increase, be augmented, Romans 5:20; Romans 6:1; 2 Thessalonians 1:8; Philippians 4:17; 2 Peter 1:8.
2. transitive, to make to increase: τινα τίνι, one in a thing, 1 Thessalonians 3:12; for הִרְבָּה, Numbers 26:54; Psalm 70:21