κατα-πονίζω [in LXX for טָבַע pu., Exo.15:4 A, בָּלַע pi., שָׁטַף, Psa.55:9 69:2, al. ;] to throw into the sea, sink or drown therein: Mat.14:30; pass., Mat.18:6.† (AS)
STRONG'S WORD STUDY
G2670 — καταποντίζω
katapontizō · to sink · Greek
2 tagged verse occurrences
Matthew 14:30 · καταποντίζεσθαιbut seeing the wind vehement, he was afraid, and having begun to sink, he cried out, saying, ‘Sir, save me.’Matthew 18:6 · καταποντισθῇand whoever may cause to stumble one of those little ones who are believing in me, it is better for him that a weighty millstone may be hanged upon his neck, and he may be sunk in the depth of the sea.