From Joseph T. Shipley’s The Origin of English Words: A Discursive Dictionary of Indo-European Roots.
ors: buttock, tail. Gk oura: tail.
From Joseph T. Shipley’s The Origin of English Words: A Discursive Dictionary of Indo-European Roots.
Biblioklept 
And this whole time I’ve been dismissing those people who say “arse.” Whoops!
LikeLike