Etymology of the Latin word Brachyura
the New Latin word Brachyura
derived from the Greek word oura, οὐρά (tail; a tail)
derived from the Proto-Indo-European root *ors- (tail)
using the New Latin suffix -ura
using the New Latin prefix brachy-
derived from the Greek word tarsos, ταρσός (sole of the foot)
derived from the Proto-Indo-European root *ters-
using the Greek suffix -mus
using the Greek prefix brachu-, βραχυ-