Strong's G557 — ἀπελεγμός (noun)
apelegmos (ap-el-eg-mos') n.
1. refutation
2. (by implication) contempt
[from a compound of G575 and G1651]
KJV: nought 
Root(s): G575, G1651 
Hebrew root: ἐλέγχω
Occurrences: 1