Where does “excuseth” come from?

excuseth (English) comes from English excuse, from Latin excūsāre.

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

Definitions

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

Ancestry of “excuseth”, step by step

excuseth traces back through two separate lines of ancestry.

via English excuse

StepLanguageWordMeaning
1EnglishexcuseTo forgive; to pardon; To allow to leave, or...
2Latinexcūsāre

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Latin excūsāreEvery word from English excuse