The compound "white-water" is a straightforward descriptive term from the Germanic linguistic tradition, combining two native English words. "White" in this context does not refer to pure color but to the visual effect created when water is highly aerated, turbulent, and reflects light, appearing foamy and pale compared to slower, deeper, and darker water. The term logically evolved to specifically denote the turbulent, frothy sections of rivers, central to the activity of white-water rafting. Its formation follows the common English pattern of using an adjective-noun compound to name a natural phenomenon based on its perceived qualities.

Structure: white (color) + water (liquid) - white: From Old English hwīt, meaning 'bright, radiant, pale'. In this compound, it describes the visual appearance of the water. - water: From Old English wæter, meaning 'water, a body of water'. It denotes the primary substance.