εὐχή euchḗ

Meaning

properly, a wish, expressed as a petition to God, or in votive obligation

In the King James Version: prayer, vow

Derivation: from G2172 (εὔχομαι);

Where it is used

• Acts 18:18 Paul remained in Corinth for quite some time before saying goodbye to the brothers. He had his head shaved in Cenchrea to keep a vow he had made, and then he sailed for Syria, accompanied by Priscilla and Aquila.
• Acts 21:23 Therefore do what we advise you. There are four men with us who have taken a vow.
• James 5:15 And the prayer offered in faith will restore the one who is sick. The Lord will raise him up. If he has sinned, he will be forgiven.