Definition of "dehortation"

And thus much for the ſecond thing conſiderable in the Dehortation; namely, the Thing we are therein dehorted from, which is, that mean, ſordid, and degrading Vice of Covetouſneſs.

1727, Robert South, “Luke xii. 15.”, in Twelve Sermons Preached at Several Times, and upon Several Occasions, 4th edition, volume IV, London: Printed by J[ames] Bettenham, for Jonah Bowyer, […], pages 444–445

Croker dehorts me from visiting Ireland, from which I do not need much dehortation, considering the aspect in that miserable country.

1825 January 7, Robert Southey, “To the Rev. Herbert Hill, &c.”, in John Wood Warter, editor, Selections from the Letters of Robert Southey, &c. &c. &c. [...] In Four Volumes, volume III, London: Longman, Brown, Green, Longmans, & Roberts, published 1856, page 462