Learn how to say Permutes correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word permute:
[with object] technical
submit to a process of alteration, rearrangement, or permutation:
we wish to permute the order of the bytes
late Middle English (also in the sense ‘interchange’): from Latin permutare ‘change completely’, from per- ‘through, completely’ + mutare ‘to change’