From Middle English disjoynen, from Old French desjoindre, from Latin disiungere (“to separate”), from dis-, di- (“apart”) + iungere (“to join”).
disjoin (third-person singular simple present disjoins, present participle disjoining, simple past and past participle disjoined)
- (transitive) To separate; to disunite.
- 1708, Joseph Addison, The Present State of the War, and the Necessity of an Augmentation
- Never let us lay down our arms against France, till we have utterly disjoined her from the Spanish monarchy.
- 1790, Thomas Pennant, Account Of London
- Windmill Street consisted of disjoined houses.
- (intransitive) To become separated.