Wiktionary
bur-
pre. Placename prefix, indicated site of a fortify place.
Usage examples of "bur-".
Divil bur-r-n me, if I lets Joel get any such advantage over me, as to have a whole battle to himself.
Divil bur-r-n me, then, if ye gets out of my mout' so much as a hint that the captain's dead and gone from us, for ever and ever, amen!