Where does “pumpjack” come from?

pumpjack (English) comes from English Jack, from Middle English jakke, from Anglo-Norman jacke, from Middle French jaque, from Middle French jacques, from French jacques, from Latin Iacobus, from Ancient Greek Ἰάκωβος — heel of the foot; heel.

pumpjack (English): The ground-based drive for a submerged pump in an oil borehole

Definitions

  1. The ground-based drive for a submerged pump in an oil borehole

Ancestry of “pumpjack”, step by step

pumpjack traces back through two separate lines of ancestry.

via English Jack

StepLanguageWordMeaning
1EnglishJackA placeholder or conventional name for any man,...
2Middle EnglishjakkeA padded coat, especially as light armour
3Anglo-Normanjacke
4Middle Frenchjaque
5Middle Frenchjacques
6Frenchjacquesplural of jacque; a stupid person; a jemmy or...
7LatinIacobusJacob; James; Saint James
8Ancient GreekἸάκωβος
9Ancient GreekἸακώβJacob
10HebrewיַעֲקֹבJacob
11Hebrewעָקֵבheel of the foot; heel

via English pump

StepLanguageWordMeaning
1EnglishpumpA device for moving or compressing a liquid or...
2Middle Englishpumpe
3Middle Low Germanpumpepump; a pump
4Middle Dutchpompedevice for raising water, pump; pipe, water...
Every word from Hebrew עָקֵב