DictionaryRoot: testimonium
Latin
testimonium
evidence, attestation
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noun / adjective
testimonial
tes-tih-MOH-nee-ul/ˌtestɪˈməʊniəl/
A statement praising or endorsing a person, product, or service.
Etymology
A testimonial is something serving as evidence, especially of a person's qualifications or character. The praising sense continues the use of “letters testimonial” to attest to someone's good standing.