Abbott-Smith Manual Greek Lexicon
πύρωσις (G4451)
3 πύρωσις , -εως, ἡ ( πυρόω ), [in LXX: Pr 27:21 ( כּוּר ), Am 4:9 ( שִׁדָּפוֹן )*;] a burning : Re 18:9 , 18 . a refining or trial by fire : metaph., I Pe 4:12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain