(ˌpɒlɪˈdæktɪlɪ) or polydactylism (ˌpɒlɪˈdæktɪlɪzəm) biology
noun
the state of having more digits than is typical
polydactyly in American English
(ˌpɑliˈdæktəli)
noun
Pathology
the condition of being polydactyl
Also: polydactylism
Word origin
[1885–90; polydactyl + -y3]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: classified, reactor, seminar, twofer, zoom-y is a suffix of various origins used in the formation of action nouns from verbs (inquiry), also found in other abstract nouns (carpentry; infamy)