De or het herbelening?

The correct Dutch article is:

de herbelening

Rule Words ending in -ing: almost always de. See the rule

How to use herbelening

the herbeleningde herbelening
this herbeleningdeze herbelening
that herbeleningdie herbelening
our herbeleningonze herbelening
your herbeleningjouw herbelening
every herbeleningelke herbelening
which herbelening?welke herbelening?
a big herbelening / the big herbeleningeen grote herbelening, de grote herbelening