Strong's 4012 (περί)

(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

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)

from the base of G4008 (πέραν);