Where does “sweateth” come from?

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

sweateth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “sweateth”, step by step

sweateth 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 eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Old English swētan