| Thayer's Greek LexiconSTRONGS NT 2171: εὐχή εὐχή, εὐχῆς, ἡ (εὔχομαι (from Homer down); 1. a prayer to God: James 5:15. 2. a vow (often so in the Sept. for נֵדֶר and נֶדֶר, also for נֵזֶר consecration, see  ἁγνίζω): εὐχήν ἔχειν, to have taken a vow, Acts 18:18; with ἐφ' ἑαυτῶν added (see  ἐπί, A. I. 1 f., p. 232a), Acts 21:23. | 



