Here are some other options, depending on the context:
* "Dydh da a-dro!" (Good day again! - more formal)
* "Kensa!" (See you! - informal)
* "Kensa! Dy-gwes!" (See you! Take care!)
* "Kensa! Dy-gwes, ha'th kewes!" (See you! Take care, and be well!)
Note: Cornish is a Celtic language spoken in Cornwall, England.