ἐπαγάνωσις

εως, ἡ
A. polishing (with oil or wax), ἀγαλμάτων IG 7.4149.18 (Ptoön); cf. γάνωσις, ἐπιγανόω.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project