The present participle of 'certificate' used as a verb; the act of officially issuing or recognizing a certificate.
From 'certificate' as a verb, with the present participle suffix '-ing', allowing the noun 'certificate' to function as an action word.
English is flexible with parts of speech—'certificate' started as a noun but became a verb through 'certificating,' showing how language adapts to user needs without waiting for official permission.
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