FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

perissos περισσός — per-is-sos' — from 4012 (in the sense of beyond); superabundant (in quantity) or superior (in quality); by implication, excessive; adverbially (with 1537) violently; neuter (as noun) preeminence:--exceeding abundantly above, more abundantly, advantage, exceedingly, very highly, beyond measure, more, superfluous, vehement(-ly).

see GREEK for 4012

see GREEK for 1537