κεφάλαιον (kephálaion|kef-al'-ah-yon|noun|sum of money; main thing)
[Grk] κεφάλαιον LN: 33.12, 57.162 GK: G3049 Hebrew: רֹאשׁ‎
Derivation: neuter of a derivative of κεφαλή;
Strong's: a principal thing, i.e. main point; specially, an amount (of money)
KJV: --sum.
See: κεφαλή