Where does the surname 'Tristan' come from?

Question:

Where does the surname 'Tristan' come from?

Where did it originate and what does it mean?

Additional Details

5 months ago
My last name is Tristan. I can trace it back through my family four generations.

We always accent the 'a'.

Trist㡮

Best Answer - Chosen by Asker: 5 months ago
My last name is Tristan. I can trace it back through my family four generations.

We always accent the 'a'.

Trist㡮