gouethals?

If you mean "Gouache", it is English, it means a painting technique, in Chinese is 樹膠水彩畫法

If you mean "Goethals" 是姓氏, George Washington Goethals, 又可能是連接 New Jersey and New York 的橋, 紀念George Washington Goethals.

Is it "goethals" that you are looking for?

"goethals" is a noun. It means "United States army officer and engineer who supervised the construction of the Panama Canal (1858-1928)"