Abbott-Smith Manual Greek Lexicon
πενθέω (G3996)
10 πενθέω , -ῶ , [in LXX chiefly for אבל ;] to mourn ( for ), lament ; intrans. : Mt 5:4 ( 5 ) 9:15 , I Co 5:2 ; π. καὶ κλαίειν , Mt 16:10 , Lk 6:25 , Ja 4:9 , Re 18:15 , 19 ; seq. ἐπί , c. acc., Re 18:11 ; trans., c. acc., II Co 12:21 .† SYN. : v.s. θρηνέω .
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain