olemus
eelmis(t)e oleku(te) või seisu(de) säilituse võime
= the ability to retain previous state(s) or position(s)

näiteid
Wiktionary:
2. (computer science) of data, the property of continuing to exist after the termination of the program
Once written to a disk file, the data has persistence: it will still be there tomorrow when we run the next program.

vt ka
https://en.wikipedia.org/wiki/Persistence