Strong’s Greek
G2294 — tharsos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
θάρσος
tharsos — pronounced thar'-sos
akin (by transposition) to thrasos (daring); boldness (subjectively):--courage.
1 occurrence in the KJV.
Acts 28:15
And from thence, when the brethren heard of us, they came to meet us as far as Appii forum, and The three taverns: whom when Paul saw, he thanked God, and took courage.