Sadame means decision or law, regulation etc.
It means "something that has been determined" so it can mean "fate" or "destiny", which are believed to be "pre-determined"
Then Kizuna & Sadame means "Friendship", "Bonds", "Ties" "Family tie" & "Destiny" "Fate"
In brief, could be:
Kizuna & Sadame = "Friendship"/ "Bonds" & "Destiny" /"Fate"
