Where does “Adler” come from?

Adler comes from Middle High German adler, a word for eagle that is cognate with other Germanic terms for the bird.

Ancestry of “Adler”, step by step

StepLanguageWordMeaning
1Germanadlereagle
2Middle High Germanadler
3Middle High Germanareagle
4Old High Germanaroeagle
5Latinarōto plough, till; to cultivate land, farm; to acquire by tillage
6Proto-Italicaraōto plough
7Proto-Indo-Europeanh₂éryetito be ploughing
8Proto-Indo-Europeanh₂erh₃-to plough
9Proto-Indo-Europeanh₁er-earth

Words derived from “Adler

Every word from Proto-Indo-European h₁er-