A termination or conclusion.
The last part of something.
The last morpheme of a word, added to some base to make an inflected form (such as -s in "dogs").
Of data or a data structure: not transient or temporary, but remaining in existence after the termination of the program that creates it.
Describing a fractal process that has a positive Brown function
Lasting past maturity without falling off.
non-transient.
Obstinately refusing to give up or let go.
Insistently repetitive.
Indefinitely continuous.