Hi Fara,
This is a great question. Well dried root pieces can be quite hard for oil to penetrate so yes ‘smashing’ them or even popping it all in a blender quickly could help, or doing a short period of warming.
You could let it sit for another 4 weeks and see how that is as well, but if you’d rather have it infused more quickly the above ideas will help.
With warmth,
Benna