työpusero (Finnish) comes from Finnish pusero, from Swedish bussarong, from Low German buserun, from Dutch boezeroen, from French bourgeron — A type of short blouson; workman's overall.
työpusero (Finnish): work jacket, work sweater
Definitions
work jacket, work sweater
Ancestry of “työpusero”, step by step
työpusero traces back through two separate lines of ancestry.