Copyright is simply the right to copy; it was first used in the early 1700s, not long after the first law giving authors the exclusive right to copy.
Ideas cannot be protected by copyright: only the expression of the ideas.
God came up with everything
The word copyright is a singular uncountable noun.
The word copyright is a noun. The plural is copyrights.
The current Cuban copyright law came into effect in 1977.
French copyright is the droit d'auteur, or "right of the author." However, the word "copyright" is increasingly used.
Heinz does not have copyright on the word Heinz, but it does have a trademark on the name.
He came up with the word BLING!
My but did.
Nobody owns the copyright of a single word. Perhaps you mean trademark.
Individual words do not qualify for copyright protection, and there is no trademark registered with that word.
At this time, fashion cannot be protected by copyright.