Where does “bluejack” come from?

bluejack (English) comes from English hijack, from English jacker, from English jacklight, from English Jack, from Middle English jakke, from Anglo-Norman jacke, from Middle French jaque, from Middle French jacques — heel of the foot; heel.

bluejack (English): To send messages to anonymously using Bluetooth

Definitions

  1. To send messages to anonymously using Bluetooth

Ancestry of “bluejack”, step by step

bluejack traces back through two separate lines of ancestry.

via English hijack

StepLanguageWordMeaning
1EnglishhijackTo forcibly seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat)
2EnglishjackerOne who hunts at night using a jacklight
3EnglishjacklightA spotlight or lamp mounted on a car; To shine a...
4EnglishJackA placeholder or conventional name for any man,...
5Middle EnglishjakkeA padded coat, especially as light armour
6Anglo-Normanjacke
7Middle Frenchjaque
8Middle Frenchjacques
9Frenchjacquesplural of jacque; a stupid person; a jemmy or...
10LatinIacobusJacob; James; Saint James
11Ancient GreekἸάκωβος
12Ancient GreekἸακώβJacob
13HebrewיַעֲקֹבJacob
14Hebrewעָקֵבheel of the foot; heel

via English Bluetooth

StepLanguageWordMeaning
1EnglishBluetoothThe nickname of
2EnglishBlueA letterman at Oxford or Cambridge; A member of...
3Middle Englishblēwe
4Anglo-Normanblewblue
5Middle Frenchbleublue
6Old Frenchblöeblue
7Latvianblāvusaccusative plural masculine form of blāvs
8Old High Germanblāoblue, dark, grey; blue; yellow
9Proto-West Germanicblāublue
10Proto-Germanicblēwazblue; a dark bluish or grey colour, black
11Proto-Indo-Europeanbʰlēw-yellow, blond, grey
Every word from Hebrew עָקֵב
bluejack — Etymology, Origin & Word History | Etymology Explorer