Where does “fahrenheit” come from?

fahrenheit (English) comes from German Fahrenheit, from German fahren, from Middle High German varn, from Old High German faran, from Proto-Germanic faran, from Proto-Germanic faraną, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

fahrenheit (English): Describing a temperature scale originally defined as having 0°F as the lowest temperature obtainable with a mixture of ice and salt, and 96°F as the temperature of the human body, and now defined with 32°F equal to 0°C, and each degree Fahrenheit equal to 5/9 of a degree Celsius or 5/9 kelvin

Definitions

  1. Describing a temperature scale originally defined as having 0°F as the lowest temperature obtainable with a mixture of ice and salt, and 96°F as the temperature of the human body, and now defined with 32°F equal to 0°C, and each degree Fahrenheit equal to 5/9 of a degree Celsius or 5/9 kelvin

Ancestry of “fahrenheit”, step by step

StepLanguageWordMeaning
1GermanFahrenheitFahrenheit
2Germanfahrento locomote forth in an accelerated speed; to go;...
3Middle High Germanvarnto fare, to go
4Old High Germanfaranto proceed
5Proto-Germanicfaran
6Proto-Germanicfaranąto go, to travel
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “fahrenheit

Every word from Proto-Indo-European pr̥tós