selt·zer
noun/ˈseltsə(r)/
/ˈseltsər/
[uncountable, countable]- fizzy water (= with bubbles), usually containing minerals, used as a drink
塞尔兹（含汽）矿泉水 Word Originmid 18th cent.: alteration of German Selterser, from (Nieder)selters, the place where medicinal mineral water is made in Germany.