Strong's G4537 — σαλπίζω (verb)
salpizo (sal-pid'-zo) v.
1. to trumpet, i.e. sound a blast
{literally or figuratively}
[from G4536]
KJV: (which are yet to) sound (a trumpet) 
Root(s): G4536 
Hebrew root: σάλπιγξ
Occurrences: 12