Etymology of the English word testify
the English word
testifyderived from the Latin word
testificari (assert solemnly, testify; demonstrate)
derived from the Latin word
testis (testicle, a witness)
derived from the Proto-Indo-European root
*trei-Date
The earliest known usage of testify in English dates from the 14th century.
Derivations in English
testified,
testifyingUsage
Word found in Modern English