(In the sense of "being given". Sounds a bit stiff. )
How useful:
2.
to maintain, to preserve
(Usually in the context of preventing decay or destruction. Works for a natural habitat, a historic building, but also for friendship and energy in the universe.)
How useful:
Examples
You need to be a member to see the examples.
My Articles
The Prefix er- Explained - Part 2
Vocab:
der Urlaub, der Urknall, der Urmensch, erlauben, erfinden, erhalten...