πῆχυς (pēchys|pay'-khoos|noun|cubit)
[Grk] πῆχυς LN: 81.25 GK: G4388 Hebrew: אַמָּה‎, יָד‎, כַּף‎, קָנֶה‎
Derivation: of uncertain affinity;
Strong's: the fore-arm, i.e. (as a measure) a cubit
KJV: --cubit.