subsequence

noun

1. (countable, uncountable)A subsequent act or thing; a sequel.
2. (countable, uncountable)The state of being subsequent.

   “It must be remembered, that what we call exertion, in our bodily operations, is nothing more, as we have seen, than the subsequence of muscular motion to the feeling which we denominate desire or will; as magnetic action, in a process purely material, is the subsequence of the motion of iron to the approach of a loadstone.”

3. A sequence that is contained within a larger one.
4. A subset of an array with the same ordering.