olemus
(a) üldtähenduses: jätkumist võimaldav

Wiktionary:
that can be resumed
Support for resumable downloads means that you can carry on where you left off if you are disconnected from the Internet halfway through.

(b) pärisnimena: üks JavaScripti teeke
= a certain JavaScript library
https://www.npmjs.com/package/resumablejs