IPA: /ˈmɪlˌrʌn/
KK: /mɪlˌrʌn/
The output produced by a mill, especially in the context of sawmills or the result of testing the quality of minerals in ore.
The millrun from the sawmill was used to create furniture and other wooden products.
Millrun is formed from "mill" (from Old English *mylen*, meaning a place where grain is ground) and "run" (from Old English *rinnan*, meaning to flow or move). The term refers to the process of running grain through a mill for grinding.
Think of a 'mill' where grain is 'flowing' or 'moving' through to be ground — that's what 'millrun' means.
No commonly confused words.