FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

eucharisteo εὐχαριστέω — yoo-khar-is-teh'-o — from 2170; to be grateful, i.e. (actively) to express gratitude (towards); specially, to say grace at a meal:--(give) thank(-ful, -s).

see GREEK for 2170