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English word assure comes from Latin ad- (To.), Latin securus.

Assure etymology ?

Assure detailed word origin explanation

Dictionary entryLanguageDefinition
ad- Latin (lat) To.
securus Latin (lat) Careless, negligent. Fearless. Quiet, composed, serene. Unconcerned, untroubled, carefree.
asseurer Old French (842-ca. 1400) (fro) To assure; to guarantee; to promise.
assure English (eng) (obsolete) To guarantee, promise (to do something).. (transitive) To make sure and secure.. (transitive, followed by that or of) To give (someone) confidence in the trustworthiness of (something).. To reassure.

Words with the same origin as assure

Descendants of ad-
accept accident according add address admit affair agree alien appear appreciate around arrest arrive aside asleep assume attention attorney available disappear huge rest round size
Descendants of securus
assurance reassure secure security sure