Where does “flingeth” come from?

flingeth (English) comes from English fling, from Middle English fling.

flingeth (English): third-person singular simple present indicative...

Definitions

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

Ancestry of “flingeth”, step by step

flingeth traces back through two separate lines of ancestry.

via English fling

StepLanguageWordMeaning
1EnglishflingAn act of throwing, often violently; An act of...
2Middle Englishfling

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Middle English flingEvery word from English fling