φωτισμός

A. illumination, light, Diocl(?).ap.Gal. 19.530, Plu. 2.929e, 931b, S.E. M. 10.224: pl., Dam. Pr. 23; σελήνης Vett.Val. 28.7, Jul. Or. 5.167d; [ἡμισφαιρίων] ib.4.147b.
2. metaph., light, Κύριος φ. μου LXX Ps. 26(27).1, cf. 2 Ep.Cor. 4.4,6.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project