The origins of Amsterdam are linked to the event of a dam to the Amstel River known as Amestelle, indicating 'watery area', from Aa(m) 'river' + stelle 'web site at a shoreline', 'river lender'.[36] In this spot, land reclamation started as early as being the late tenth century.[37] Amestelle was Positioned along a side arm on the IJ. This side arm