Thamesern./ˈtɛmzə(r)/ one who is connected with the Thames in some way.
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the world > people > nations > native or inhabitant of Europe > British nation > English nation > [noun] > native or inhabitant of England > other areas
Thameser1614
1614 T. GentlemanEnglands Way to win Wealth 43 By..the yong men of the Sea-coast Townes, euen as..amongst the Theamsers.