Strong's G1422 — δύσκολος (adjective)
duskolos (doos'-kol-os) adj.
1. (properly) fastidious about eating (peevish)
2. (genitive case) impracticable
[from G1418 and kolon (food)]
KJV: hard 
Root(s): G1418 
Hebrew root: δυσ
Occurrences: 1