Strong’s Greek
G2170 — eucharistos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εὐχάριστος
eucharistos — pronounced yoo-khar'-is-tos
from 2095 and a derivative of 5483; well favored, i.e. (by implication) grateful:--thankful. see GREEK for 2095 see GREEK for 5483
1 occurrence in the KJV.
Colossians 3:15
And let the peace of God rule in your hearts, to the which also ye are called in one body; and be ye thankful.