From the FaCAB (Families with Children Adopted from Bulgaria) Yahoo site:
SEVDA, SEVDALINA, SEVDELINA, SEVDENA. A Turkish name of Arab origin meaning love; related to the Bulgarian word libe meaning sweetheart. SEVDENA is found in
Sofia and Pernik districts. Other forms of the name, nicknames, and names with the same meaning include SEVDANA.
The site is at
http://groups.yahoo.com/group/FaCAB1