The term "Lutheran" originated as a perjorative which was eventually accepted by members of the faith because it was reasonably descriptive and, besides, it's much easier to pronounce than Melanchthonians.
That’s a reasonable explanation. Thank you. No intent to offend, having never been a Lutheran myself. A denominination ought to be defined by it’s confessionals, and Augsburgians is appropriate.
THANK YOU!!
+{{{:o)
(Official Papal Smiley)