It means german.
"Deutsch" means "German."
Deutsch is and English translation for German. And it is using English and German
You speak German don't you?
English is "Englisch". And German is "Deutsch".
It means "Since when do you speak German?"
In German the use of capitals is far more important than in English as it can change the sense of a sentence.sie haben deutsch sie Familie translates as they have German they familySie haben deutsch Sie Familie translates as you have German you family
Ich spreche Deutsch means I speak German Ich bin Deutscher means I am German.
This is not French, but broken German. That would mean 'I don't speak German'. (It's not grammatical though, and should be "ich spreche kein Deutsch").
auch noch deutsch = also German; German as well
Du möchtest Deutsch lernen means you would like to learn German
It's "Ich spreche ein (kleines) bisschen deutsch." and it means "I speak a (little) bit of German.".
I love your German.