ὕδωρ (hýdōr|hoo'-dore|noun|water), and genitive case, ὕδατος (hýdatos|hoo'-dat-os), etc.
[Grk] ὕδωρ LN: 2.7 GK: G5623 Hebrew: מַיִם‎, מָקֹור‎, נָזַל‎
Derivation: from the base of ὑετός;
Strong's: water (as if rainy) literally or figuratively
KJV: --water.
See: ὑετός