Where does “unqueue” come from?

unqueue (English) comes from English queue, from French queue, from Middle French queu, from Old French cue, from Vulgar Latin coda, from Latin cauda, from Proto-Italic kaudā, from Proto-Indo-European keh₂udeh₂.

Ancestry of “unqueue”, step by step

unqueue traces back through two separate lines of ancestry.

via English queue

StepLanguageWordMeaning
1EnglishqueueAn animal's tail; A line of people, vehicles or...
2Frenchqueuetail; queue, line; cue
3Middle Frenchqueu
4Old Frenchcuetail
5Vulgar Latincodatail
6LatincaudaA tail
7Proto-Italickaudātail
8Proto-Indo-Europeankeh₂udeh₂

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European keh₂udeh₂Every word from Proto-Italic kaudāEvery word from Latin cauda