A.R.V. Tegelaar Laryngaaltheorie versus oudeuropese hydronymie
is er verband tussen de riviernamen Ammer, Ammersån, Hamer, Humber, Sambre, S̆embera, Imbros, Ombrone?; is there any relationship between river-names like Ammer, Ammersån, Hamer, Humber, Sambre, S̆embera, Imbros, Ombrone?
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