4012. peri (per-ee')
from the base of peran; properly, through (all over), i.e. around; figuratively with respect to; used in various applications, of place, cause or time (with the genitive case denoting the subject or occasion or superlative point; with the accusative case the locality, circuit, matter, circumstance or general period)
(there-)about, above, against, at, on behalf of, X and his company, which concern, (as) concerning, for, X how it will go with, ((there-, where-)) of, on, over, pertaining (to), for sake, X (e-)state, (as) touching, (where-)by (in), with. In comparative, it retains substantially the same meaning of circuit (around), excess (beyond), or completeness (through).
see GREEK peran