ἔκθαμβος G1569
ékthambos · ek'-tham-bos · Adjective
from ἐκ and θάμβος; utterly astounded:--greatly wondering.
1 Occurrence in the King James Bible
Acts 3:11And as the lame man which was healed held Peter and John, all the people ran together unto them in the porch that is called Solomon’s, greatly wondering.