De or het lekhoning?

The correct Dutch article is:

de lekhoning

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

How to use lekhoning

the lekhoningde lekhoning
this lekhoningdeze lekhoning
that lekhoningdie lekhoning
our lekhoningonze lekhoning
your lekhoningjouw lekhoning
every lekhoningelke lekhoning
which lekhoning?welke lekhoning?
a big lekhoning / the big lekhoningeen grote lekhoning, de grote lekhoning