Correct spelling for the English word "anvers" is [ˈanvəz], [ˈanvəz], [ˈa_n_v_ə_z] (IPA phonetic alphabet).
The word anvers originates from the French language. It is the French word for Antwerp, a city in Belgium. The etymology of anvers traces back to Latin. In Latin, the city's name was Antverpia. This Latin name was composed of two parts: Ante meaning before or in front of, and Urpia meaning settlement or village. So Antverpia referred to a settlement or village located in front of the River Scheldt. Over time, the name evolved, and in French, it became Anvers.