ainhum,n.Path.|ˈeɪnhəm|[a.Pg.ainhum,perh.ult.f.Yoruba eyun saw.]A condition in which progressive fibrous constriction about the base of a toe or finger results in its loss, most commonly affecting Negroid males in the tropics and associated with going barefoot.1872Fox & FarquharScheme BetterKnowl.Endemic SkinDis.India 20The name ‘Ainhum’ signifies ‘to saw’, and is the term applied to a disease which is said to exist amongst the Africans... The disease consists of spontaneous amputation of the little toes, with hyper-trophy of the amputated part.1898P. MansonTrop.Dis.vii. 599Ainhum is very rare in women or children, being most common in adult males.1981Arch.Dermatol. CXVII. 228/2Cole believes that the primary factor underlying ainhum is an abnormal and excessive keratinization.