κῦμα (kŷmakoo'-mahnounwave)
[Grk] κῦμα LN: 14.25 GK: G3246 Hebrew: אֲפֵק, אֲשַׂרְאֵלָה, גַּל, מִי
Derivation: from κύω (to swell (with young), i.e. bend, curve);
Strong's: a billow (as bursting or toppling)
KJV: --wave.