Where does “ensure” come from?

Ensure comes from Old French enseurer, from Old French seur meaning secure, from Latin securus meaning free from care, derived from Latin suus meaning one's own, ultimately from Proto-Indo-European swé meaning self.

ensure (English): To make sure or certain of something (usually some future event or condition)

Definitions

  1. To make sure or certain of something (usually some future event or condition)

Ancestry of “ensure”, step by step

StepLanguageWordMeaning
1Middle Englishensuren—
2Anglo-Normanenseurer—

Words derived from “ensure”

Every word from Anglo-Norman enseurer →Every word from Middle English ensuren →