from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a foot-support for a crucified person, projecting from the base of the cross
from The Century Dictionary and Cyclopedia
- n. A projection or support under the feet of a person crucified: used with special reference to Christ or a crucifix.
From Late Latin suppedāneum, neuter of suppedāneus ("under the feet"), composed of sup- ("under") + ped- ("foot") + -aneus ("-aneous"). (Wiktionary)