Where does “insureth” come from?

insureth (English) comes from English insure, from Middle English ensuren, from Anglo-Norman enseurer.

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

Definitions

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

Ancestry of “insureth”, step by step

insureth traces back through two separate lines of ancestry.

via English insure

StepLanguageWordMeaning
1EnglishinsureTo provide for compensation if some specified...
2Middle Englishensuren
3Anglo-Normanenseurer

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Anglo-Norman enseurerEvery word from Middle English ensurenEvery word from English insure