A couple questions about the Origin of Language?

So I've been interested lately in learning about the origin of the human language and i have a couple questions that i can't find the answer to: 1) Where do words come from? (more specifically: why do we use the words we use today like what made people think of those words and why?) 2) What was the... show more So I've been interested lately in learning about the origin of the human language and i have a couple questions that i can't find the answer to:

1) Where do words come from? (more specifically: why do we use the words we use today like what made people think of those words and why?)
2) What was the first language ever spoken in the world?
3) Where do other languages come from? (like did spanish, french, german, etc.come from english or what?)
4) How many LEGIT languages that are still spoken are there right now?

thank you so much for all answers!!! 10 pts for best answers to all questions! :)
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