The word "polyscelus" is spelled pɒliˈskɛləs with the first syllable being pronounced as "polly" rhyming with "jolly". The word has Greek origins and is composed of two parts: "poly" meaning many and "scelus" meaning leg. As such, "polyscelus" refers to an animal with multiple legs. The spelling is consistent with English rules for Greek pronunciation, with the "y" sound often being represented by the letter "i" and the "sc" combination being pronounced as "sk".
A monster with one or more supernumerary legs.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.