Where does “deque” come from?

deque (English) comes from English deck, from Middle English dekke, from Middle Dutch dec, from Middle Dutch decken, from Old Dutch thecken, from Proto-West Germanic þakkjan, from Proto-Germanic þakjaną, from Proto-Germanic þaką — to cover; pole, stick, beam.

deque (English): A linear data structure in which elements may be...

Definitions

  1. A linear data structure in which elements may be...

Ancestry of “deque”, step by step

deque traces back through two separate lines of ancestry.

via English deck

StepLanguageWordMeaning
1EnglishdeckAny raised flat surface that can be walked on: a...
2Middle Englishdekke
3Middle Dutchdecroof, covering
4Middle Dutchdeckento roof, to build/repair a roof; to cover; to...
5Old Dutchtheckento cover; to roof
6Proto-West Germanicþakkjanto cover; to burn
7Proto-Germanicþakjanąto cover; to burn
8Proto-Germanicþakąroof, cover
9Proto-Indo-European(s)teg-to cover; pole, stick, beam

via English double-ended queue

StepLanguageWordMeaning
1Englishdouble-ended queueAn abstract list-type data structure where...
2EnglishqueueAn animal's tail; A line of people, vehicles or...
3Frenchqueuetail; queue, line; cue
4Middle Frenchqueu
5Old Frenchcuetail
6Vulgar Latincodatail
7LatincaudaA tail
8Proto-Italickaudātail
9Proto-Indo-Europeankeh₂udeh₂
Every word from Proto-Indo-European (s)teg-