Extended Strong's Greek Lexicon (Abbott-Smith based)
to abate
Usage: κοπάζω (κόπος), [in LXX: Gen.8:1, Est.2:1 7:10 (שָׁכַךְ), Rut.1:18, al. (חָדַל), חָדַל), Jon.1.11-12 (שָׁתַק), al. ;] to grow weary; of the wind (Hdt., Jh., l.with), to abate, cease raging: Mat.14:32, Mrk.4:39 6:51.† (AS)