Where does “reboundeth” come from?

reboundeth (English) comes from English rebound, from Old French rebondir.

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

Definitions

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

Ancestry of “reboundeth”, step by step

reboundeth traces back through two separate lines of ancestry.

via English rebound

StepLanguageWordMeaning
1EnglishreboundThe recoil of an object bouncing off another; A...
2Old Frenchrebondir

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Old French rebondirEvery word from English rebound