Abbott-Smith Manual Greek Lexicon
συν-απ-όλλυμι (G4881)
1 συν-απ-όλλυμι [in LXX chiefly for ספה ;] to destroy with or together . Pass., to perish together ( with ): c. dat. pers., He 11:31 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain