dipody
noun
dip·o·dy ˈdi-pə-dē 
plural dipodies
: a prosodic unit or measure of two feet
dipodic
dī-ˈpä-dik
adjective 
Word History
Etymology
Late Latin dipodia, from Greek, from dipod-, dipous having two feet, from di- + pod-, pous
First Known Use
circa 1844, in the meaning defined above