Where does “certifiys” come from?

certifiys (Cornish) comes from Cornish certifia, from English certify, from Old French certefier — confirm, assure, make certain.

certifiys (Cornish): certified

Definitions

  1. certified

Ancestry of “certifiys”, step by step

certifiys traces back through two separate lines of ancestry.

via Cornish certifia

StepLanguageWordMeaning
1Cornishcertifiato certify
2EnglishcertifyTo attest to as the truth; To authenticate or...
3Old Frenchcertefierconfirm, assure, make certain

via Cornish ys

StepLanguageWordMeaning
1Cornishyscorn
Every word from Old French certefier