Origin:
< Gr triskelēs, three-legged < tri-, tri- + skelos, leg < IE base *(s)kel-, to bend, a joint of the body > L calx, heel, Gr kylindros, cylinder
See triskelion in American Heritage Dictionary 4
nounpl.tri·skel·i·a(-skĕlˈē-ə) also tri·skeles
A figure consisting of three curved lines or branches, or three stylized human arms or legs, radiating from a common center.