Where does “proportional” come from?

proportional (German) comes from German Proportion, from French proportion, from Old French proportion, from Latin prōportiō, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro-, from Proto-Indo-European por- — passed , crossed.

proportional (German): proportional

Definitions

  1. proportional

Ancestry of “proportional”, step by step

proportional traces back through two separate lines of ancestry.

via German Proportion

StepLanguageWordMeaning
1GermanProportionproportion
2Frenchproportionproportion
3Old Frenchproportion
4Latinprōportiōproportion
5Latinprō-forward direction, forward movement
6Proto-Italic*pro-pro- see the Latin entry for further meanings
7Proto-Indo-Europeanpro-toward, forward
8Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed

via Latin proportionālis

StepLanguageWordMeaning
1Latinproportionālisproportional

Words derived from “proportional

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-