And so a gap is definitely apparent: there is a lack of a scientific history of the term “Aryan” that would illuminate the entire breadth of meaning … - Maria Schetelich

However, if one looks at the passages more closely, the context and sentence or verse construction also allow for a different interpretation, especially since tvac - more on this below - is used much more frequently in the meaning "fur, blanket" than in the meaning "(human) skin".

It is a victory of light, of the sun, of wide space over darkness, narrowness or distress, which is equated or compared with the victory of day over night. Light, sunbeams or fire are also the means by which Indra overcomes evil and its representations, and again the boundary between the human and the supernatural sphere is quite fluid. The ancient symbolism of black and white also serves to depict the all-dominating polarity of good and evil, light and darkness. Bright, golden, shiny, white is everything that symbolizes light, that brings it to power or is otherwise connected to it: the sun, the soma drops, the day, Indra's dun horses, etc. m. Bright, shining, white is accordingly the color of those on whose side and for whose benefit Indra fights .

Here, too, light is the antithesis to darkness. Soma, after all, is often called ‘shining golden, white, bright, goldencoloured {sukla- varnay or ‘bringer of light’.