Where does “Co-Autorin” come from?

Co-Autorin (German) comes from German Co-Autor, from German autor, from Old French autor, from Latin auctor, from Latin augeō, from Proto-Italic augeō, from Proto-Indo-European h₂owg-éye-ti, from Proto-Indo-European h₂ewg-.

Ancestry of “Co-Autorin”, step by step

StepLanguageWordMeaning
1GermanCo-Autorcoauthor
2Germanautorauthor
3Old Frenchautorauthor; creator; instigator
4Latinauctorseller, vendor; author; authorship, agency,...
5Latinaugeōto increase, augment, enlarge, spread, expand
6Proto-Italicaugeōto increase; to enlarge
7Proto-Indo-Europeanh₂owg-éye-ti
8Proto-Indo-Europeanh₂ewg-to increase, to enlarge
9Proto-Indo-Europeanh₂weg-to increase, to enlarge
10Proto-Indo-Europeanh₂ug-
Every word from Proto-Indo-European h₂ug-Every word from Proto-Indo-European h₂weg-Every word from Proto-Indo-European h₂ewg-