Strong's #628: 'acpcuph (pronounced as-pes-oof')
by reduplication from 624; gathered up together, i.e. a promiscuous assemblage (of people):--mixt multitude.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'aspesûph
1) collection, rabble, collected multitude
Part of Speech: noun masculine
Relation: by reduplication from H624
Usage:
This word is used 1 times:
Numbers 11:4: " And the mixed multitude that was among them fell a lusting: and the children of Israel also"