Where does “sweatstained” come from?

sweatstained (English) comes from English sweat, from Middle English sweten, from Old English swētan — to sweeten.

sweatstained (English): stained with sweat

Definitions

  1. stained with sweat

Ancestry of “sweatstained”, step by step

sweatstained traces back through two separate lines of ancestry.

via English sweat

StepLanguageWordMeaning
1EnglishsweatFluid that exits the body through pores in the...
2Middle EnglishswetenTo make sweet, sweeten; To induce happiness; To...
3Old Englishswētanto sweeten

via English stained

StepLanguageWordMeaning
1Englishstainedhaving a stain; coloured by adding a pigment;...
Every word from Old English swētan
sweatstained — Etymology, Origin & Word History | Etymology Explorer