Word: "I concluded that he had been the prey of some insidious,
etiolating
disease."
1. To render (a plant) pale or colourless by excluding the light from it; to blanch.
2. To give a pale and sickly hue to (a human being or his skin).
3. To become white or whiter; to blanch; to be whitened by exclusion of sunlight, as plants.