Start after Elizabeth (but before the French?) on TV (4)

I believe the answer is:
dawn
'start' is the definition.
(the dawn of something is its origin)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for dawn that I've seen before include "Light in East" , "Sunrise" , "Aurora was its goddess" , "Begin to appear" , "Aurora, poetically" .)
