אוֹב (ʾôb) is
a Hebrew noun
meaning skin-bottle. It appears
17 times
in 8 books of the Hebrew Bible
(Strong's H178).
Also rendered
medium
Same Hebrew root (TWOT 37a)
Range of meaning (TWOT 37a)skin-bottle, necromancer; ghost; necromancy; mumble, skin; bottle, familiar spirit
Full entry: Brown-Driver-Briggs and Strong's
אוֹבnoun, masculine: skin-bottle, necromancer
1.skin-bottle
2.necromancer
3.ghost
4.necromancy
Strong's H178אוֹב: properly, a mumble, i.e. a water-skin (from its hollow sound); hence a necromancer (ventriloquist, as from a jar) KJV:bottle, familiar spirit.
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 37: אובʾwb — return, water-carrier, have a hollow sound