Where does “bismer” come from?

bismer (Danish) comes from Middle Low German bismer, from Old East Slavic безмѣнъ, from Arabic وَزْنَة, from Arabic وَزْن — weight.

Ancestry of “bismer”, step by step

Step	Language	Word	Meaning
1	Middle Low German	bismer	—
2	Old East Slavic	безмѣнъ	—
3	Arabic	وَزْنَة	—
4	Arabic	وَزْن	weight

bismer — Etymology, Origin & Word History | Etymology Explorer