κεφάλαιον kephálaion

Meaning

a principal thing, i.e. main point; specially, an amount (of money)

In the King James Version: sum

Derivation: neuter of a derivative of G2776 (κεφαλή);

Where it is used

• Acts 22:28 “I paid a high price for my citizenship,” said the commander. “But I was born a citizen,” Paul replied.
• Hebrews 8:1 The point of what we are saying is this: We do have such a high priest, who sat down at the right hand of the throne of the Majesty in heaven,