Strong's G728 — ἀρῥαβών (noun)
arrhabon (ar-rhab-own') n.
1. a pledge, i.e. part of the purchase-money or property given in advance as security for the rest
[of Hebrew origin (H6162)]
KJV: earnest 
Root(s): H6162 
Hebrew root: עֲרָבוֹן
Occurrences: 3