הֲדַד (hădad) is
a Hebrew proper noun
meaning Hadad. It appears
12 times
in 3 books of the Hebrew Bible
(Strong's H1908).
Same Hebrew root (TWOT 471c)
Range of meaning (TWOT 471c)Hadad
Full entry: Brown-Driver-Briggs and Strong's
הֲדַדproper name of a man: Hadad
2.an Edomite
Strong's H1908הֲדַד: Hadad, the name of an idol, and of several kings of Edom KJV:Hadad.
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.
Root family 471: הדדhdd — make a loud noise, crash, thunder