disengage

What it means

1. fencingA circular movement of the blade that avoids the opponent's parry.

In a sentence

Diſingaging myſelf then from his embrace, I made him ſenſible of the reaſons there were for his preſent leaving me; on which, tho' reluctantly, he put on his cloaths with as little expedition, however, as he could help, wantonly interrupting himſelf between whiles, with kiſſes, touches, and embraces, I could not refuſe myſelf to; [...]

Fanny Hill

1749, [John Cleland], “[Letter the First]”, in Memoirs of a Woman of Pleasure [Fanny Hill], volume I, London: […] [Thomas Parker] for G. Fenton [i.e., Fenton and Ralph Griffiths] […], →OCLC, pages 213–214

Where it comes from

1. Middle Frenchdésengager
2. Englishdisengage

From Middle French désengager; from dis- + engage.