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the source of controvert and the conjunct words was Latin contrōversus turned against, opposed, controverted
From: The Gentleman Instructed,
In the Conduct of a Virtuous and Happy Life.
Written for the Instruction of a Young Nobleman.
Printed for E. Smith, 1716
Dialogue XII. Ariovistus is forc'd to confess, that one only Religion is Saving. P. 350