The story
- Latin · learned borrowing fromcertificātus
- Medieval Latin · derived fromcertificātum
- Middle French · derived fromcertificat
- Middle English · inherited fromcertificat, certificate, sertyfycat
- English todaycertificate
The noun is from Middle English certificat, certificate, sertyfycat, from Middle French certificat or its etymon Medieval Latin certificātum. The verb is from the noun. The adjective is a learned borrowing from Latin certificātus.
Etymology from Wiktionary, CC BY-SA 4.0.