De or het beenmode?

The correct Dutch article is:

de beenmode

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

How to use beenmode

the beenmodede beenmode
this beenmodedeze beenmode
that beenmodedie beenmode
our beenmodeonze beenmode
your beenmodejouw beenmode
every beenmodeelke beenmode
which beenmode?welke beenmode?
a big beenmode / the big beenmodeeen grote beenmode, de grote beenmode