A cikin 1906, Eugène Apert, likitan Faransanci, ya bayyana mutane tara da ke da irin wannan halaye da halaye. A cikin harshe, a cikin kalmar "acrocephalosyndactyly", acro shine Girkanci don "kai", yana nufin "kai" wanda yake da mahimmanci a cikin ciwo; cephalo, kuma daga Girkanci, wani nau'i ne mai haɗuwa da ma'anar "kai"; syndactyly yana nufin ƙuƙwalwar yatsunsu da yatsunsu. Tambaya: Mutane nawa ne Eugene Apert ya bayyana a 1906?
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