Where does “Kühlturm” come from?

Kühlturm (German) comes from German turm, from Middle High German turn, from Old High German turn, from Old French torn, from Old French tour, from Old French torner, from Latin tornō, from Latin tornus — to rub, turn; to drill, pierce.

Kühlturm (German): cooling tower

Definitions

  1. cooling tower

Ancestry of “Kühlturm”, step by step

Kühlturm traces back through two separate lines of ancestry.

via German turm

StepLanguageWordMeaning
1Germanturmtower, spire very tall building or structure, especially with a tapering top
2Middle High Germanturntower
3Old High Germanturntower
4Old Frenchtorn—
5Old Frenchtourtower
6Old Frenchtornerto turn; to return; to go back
7Latintornōto turn
8LatintornusA turner's wheel, lathe; A potter's wheel
9Ancient GreekτόρνοςA tool similar to a pair of compasses used to...
10Proto-Indo-Europeantorh₂no-—
11Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

via German kühl

StepLanguageWordMeaning
1Germankühlcool; calm, restrained, passionless; cool, frigid
2Middle High Germanküele—
3Old High Germankuolīcool not warm
4Proto-West Germanickōl(ī)cool
5Proto-Germanickōluzcool
6Proto-Germanickalanąto be cold, to freeze
7Proto-Indo-Europeanǵel-to swallow; swallow
Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European torh₂no- →Every word from Ancient Greek τόρνος →