Abbott-Smith Manual Greek Lexicon
περι-κάθαρμα (G4027)
1 † περι-κάθαρμα , -τος, τό ( περικαθαίρω , to purify on all sides or completely , De 18:10 , Jos 5:4 , IV Mac 1:29 *), [in LXX: Pr 21:18 ( כֹּפֶר )*;] a victim , expiation ( Pr 21:18 ). refuse , rubbish : pl., I Co 4:13 (v. ICC , in l.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain