earnest

Dictionary of Biblical Words:

(See 2 Cor. 5:55Now he that hath wrought us for the selfsame thing is God, who also hath given unto us the earnest of the Spirit. (2 Corinthians 5:5).). The pledge or foretaste of all our heavenly blessings. It is the Spirit that is the earnest, and we are indwelt by Him as the earnest of our inheritance until we reach it.

Strong’s Dictionary of Greek Words:

Number:
728 (find all occurrences in KJV Bible)
Greek:
ἀῤῥαβών
Transliteration:
arrhabon
Phonic:
ar-hrab-ohn’
Meaning:
of Hebrew origin (6162); a pledge, i.e. part of the purchase-money or property given in advance as security for the rest
KJV Usage:
earnest