Crossword puzzle clue "ball of thread whose name lent itself to a word meaning hint"

Ball of thread (whose name lent itself to a word meaning "hint")

Times-itself-times-itself

In itself or of itself

Suffix meaning "doctrine" which is not a valid Scrabble word by itself

Country whose capital lent its name to a fabric

First name of a civil rights activist who would turn 85 today, and whose adopted last name is a hint to this puzzle's theme

Company whose logo contains its name crossing itself

Cable channel whose name is also a word meaning "charged particle"