Strong's G4959 — συστενάζω (verb)
sustenazo (soos-ten-ad'-zo) v.
1. to moan jointly
2. (figuratively) experience a common calamity
[from G4862 and G4727]
KJV: groan together 
Root(s): G4862, G4727 
Hebrew root: στενάζω
Occurrences: 1