Bulgar
Concise Oxford English Dictionary © 2008 Oxford University Press:
Bulgar /ˈbʌlgɑː/
▶noun a member of a Slavic people who settled in what is now Bulgaria in the 7th century.
– origin from med. L. Bulgarus, from Old Church Slavonic Blŭgarinŭ.
'Bulgar' also found in these Oxford entries:

