Would you race dromedaries in a dromedrome?
Notice etymology for dromedary gives dromos = runner. The circle part does not seem implicit.
rom[e[dar[y 7dr9m4! der#c8
n.,
pl. 3dar#ies 5ME dromedarie < OFr dromedaire < LL(Ec) dromedarius (camelus), dromedary (camel) < L dromas, dromedary (+ 3arius, 3ARY) < Gr dromas, dromos, a runner, running < dramein, to run < IE *drem3 < base *dra3, to run > Sans dr;mati, (he) runs6 an Arabian camel, esp. one trained for fast riding: see CAMEL, illus.