Where does “Umkehrung” come from?

Umkehrung (German) comes from German -ung, from Middle High German -ung, from Old High German -unga, from Proto-Germanic -ungō — -ing, -ion. "Forms gerund nouns from verbs.".

Umkehrung (German): inversion; reversal; converse, inverse

Definitions

  1. inversion; reversal; converse, inverse

Ancestry of “Umkehrung”, step by step

StepLanguageWordMeaning
1German-ung-ing; "forms nouns from verbs, usually describing...
2Middle High German-ung—
3Old High German-unga-ing
4Proto-Germanic-ungō-ing, -ion. "Forms gerund nouns from verbs."
Every word from Proto-Germanic -ungō →Every word from German -ung →Every word from Old High German -unga →
Umkehrung — Etymology, Origin & Word History | Etymology Explorer