labyrinth
US /ˈlæb.ə.rɪnθ/
UK /ˈlæb.ə.rɪnθ/

1.
2.
an intricate and confusing arrangement or system
:
•
The legal system can be a labyrinth for those unfamiliar with it.
•
Navigating the company's bureaucracy was a true labyrinth.
an intricate and confusing arrangement or system