Gardiner sign listed I-11 is portrayal of the two headed or two cobras has the Egyptian language value of 'Dj dj' and is the noun "two cobras".
This hieroglyph is difficult to understand. Neither is it a pictograph of two headed cobra nor two cobras. So called, first (outlined) head of cobra is the Sanskrit word dru nzq , which means "flowing". Second black head is a Sanskrit word t-m-s rel, which means "the gloom, darkness, black, mental darkness. The Sanskrit word dru – t-m æqre is originated by complete two cobra pictograph, which means "quickly, swiftly, speedily, immediately". The word dru – t –m æqre was used for Egyptian goddess 'lightning".