English
subpermutation
From sub- + permutation.
Formed from sub- + permutation
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Today it means
noun A permutation that is a subset of another permutation, containing only some of its elements.
Language periods are conventional ranges, not dates for this word.
Etymograph / subpermutation