נָדַר‎ (nâdar|naw-dar'|verb|vow)
[Heb] נָדַר‎ ETCBC: נדר‎ (verb|vow) OSHL: n.bj.aa TWOT: 1308 GK: H5623 Greek: εὐχή, εὔχομαι, ὁμολογέω
Derivation: a primitive root;
Strong's: to promise (pos., to do or give something to God)
KJV: (make a) vow.