Where does “ars” come from?

ars (Middle High German) comes from Old High German ars, from Proto-West Germanic ars, from Proto-Germanic arsaz, from Proto-Indo-European h₁orsos — arse.

Ancestry of “ars”, step by step

StepLanguageWordMeaning
1Old High Germanarsanus
2Proto-West Germanicarsarse, anus, buttocks
3Proto-Germanicarsazarse/ass, anus, buttocks
4Proto-Indo-Europeanh₁orsosarse

Words derived from “ars”

Every word from Proto-Indo-European h₁orsos →Every word from Proto-Germanic arsaz →Every word from Proto-West Germanic ars →