Dictionary entry

καταπονίζω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

κατα-πονίζω,

[in LXX for טבע pu., Ex 15:4 A, בּלע pi., שׁטף, Ps 54 (55):968 (69):2, al.;]

to throw into the sea, sink or drown therein: Mt 14:30; pass., 18:6.†