"act of disjointing, state of being disjointed," c. 1400, originally surgical, "dislocation," from Medieval Latin disjunctura, from Latin disiungere from dis- (see dis-) + iungere "to join together," from nasalized form of PIE root *yeug- "to join." Figurative use from 1680s.
disinvestment
disinvite
disjecta membra
disjointed
disjunction
disjuncture
disk
diskette
dislike
dislocate
dislocation