Hebrew word
ʼôwb
obe
אוֹב
What it means
properly, a mumble, i.e. a water skin
properly, a mumble, i.e. a water skin (from its hollow sound); hence a necromancer (ventriloquist, as from a jar)
Where it comes from
from the same as ʼâb (אָב) (apparently through the idea of prattling a father's name)