Where does “unjoin” come from?

unjoin (English) comes from English join, from Middle English joinen, from Old French joindre, from Vulgar Latin junior, from Latin iūnior, from Latin iuvenior, from Latin iuvenis, from Proto-Italic *juwō — young.

unjoin (English): To separate or detach; To cease to be a member...

Definitions

  1. To separate or detach; To cease to be a member...

Ancestry of “unjoin”, step by step

unjoin traces back through two separate lines of ancestry.

via English join

StepLanguageWordMeaning
1EnglishjoinAn intersection of piping or wiring; an...
2Middle Englishjoinento join
3Old Frenchjoindreto meet up with; to go and see; to join; to join...
4Vulgar LatinjuniorAlternative form of iūnior
5Latiniūnior
6Latiniuvenioryounger, more youthful
7Latiniuvenisyoung; A youth, a young man, young woman, young...
8Proto-Italic*juwōyoung

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Italic *juwō