Strong’s Greek
G1837 — execheomai
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐξηχέω
execheomai — pronounced ex-ay-kheh'-om-ahee
middle voice from 1537 and 2278; to "echo" forth, i.e. resound (be generally reported):--sound forth. see GREEK for 1537 see GREEK for 2278
1 occurrence in the KJV.
1 Thessalonians 1:8
For from you sounded out the word of the Lord not only in Macedonia and Achaia, but also in every place your faith to God-ward is spread abroad; so that we need not to speak any thing.