triskelion

[ trih-skel-ee-on, -uh n, trahy- ]

/ trɪˈskɛl iˌɒn, -ən, traɪ- /

a symbolic figure consisting of three legs, arms, or branches radiating from a common center, as the device of Sicily and the Isle of Man.

Also tris·kele

[tris-keel, trahy-skeel] /ˈtrɪs kil, ˈtraɪ skil/.

Origin of triskelion

1855–60; < Greek triskel(ḗs) three-legged ( tri- tri- + skél(os) leg + -ēs adj. suffix) + -ion diminutive suffix

The triskele and the circles are sometimes found on faces figured on coins.

The Religion of the Ancient Celts |J. A. MacCulloch
It is clear the was a far older and more widely spread symbol than the triskele, as well as a more purely Aryan one.

The Swastika |Thomas Wilson
In various places transition occur between the tetraskele and triskele (Fig. 130, I).

Evolution in Art |Alfred C. Haddon
An interesting example of the transformation of a symbol into an emblem is found in the case of the triskele or triquetra.

Evolution in Art |Alfred C. Haddon

I have already (p. 213) referred to the ultimate fate of the triskele.

Evolution in Art |Alfred C. Haddon

triskelion

/ (trɪˈskɛlɪˌɒn, -ən) /

a symbol consisting of three bent limbs or lines radiating from a centre

C19: from Greek triskelēs three-legged, from tri- + skelos leg