Here's how to pronounce it:
* do (pronounced like "doh" in "dough")
* svi (pronounced like "svee" in "sweet")
* da (pronounced like "dah" in "father")
* ni (pronounced like "nee" in "knee")
* ya (pronounced like "ya" in "yard")
So the full pronunciation is "doh svee dah nee ya".
There are other ways to say goodbye in Russian, depending on the context:
* "Прощай" (proshchay) - more formal, used for a final farewell.
* "Пока" (paka) - more informal, used for a temporary parting.
* "До встречи" (do vstrechi) - meaning "until we meet again" - also informal.
Let me know if you have any other Russian words you'd like help with!