If you're trying to explain why /dʒɑ̃ɡo/ is spelled <Django>, it's far more insightful to explain /d/ -> <d> and /ʒ/ -> <j> than to posit the <d> comes from no

If you're trying to explain why /dʒɑ̃ɡo/ is spelled <Django>, it's far more insightful to explain /d/ -> <d> and /ʒ/ -> <j> than to posit the <d> comes from nowhere and is just silent.