נָדַר (nādar) is
a Hebrew verb
meaning vow. It appears
31 times
in 13 books of the Hebrew Bible
(Strong's H5087).
Same Hebrew root (TWOT 1308)
Range of meaning (TWOT 1308)vow; promise
Full entry: Brown-Driver-Briggs and Strong's
נָדַרverb: vow
Strong's H5087נָדַר: to promise (pos., to do or give something to God) KJV:(make a) vow.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.