[gothic-l] bagms a. o.
Well, Eric, I think you've put your question appropriately.
How do you pronounce 'bagms'?
As for myself, I should not assume the existance of svarabhakti here.
Still useful: Ernst Ebbinghaus: Gothic [sonant] L,M,N,R ?
The evidence reviewed. JEGP 69 : 580-583.
(Journal of English and Germanic Philology, 1970)