A·mish 
(ämĭsh, ămĭsh)
(ämĭsh, ămĭsh)n. (used with a pl. verb)
An orthodox Anabaptist sect that separated from the Mennonites in the late 17th century and exists today primarily in Ohio, Pennsylvania, and Indiana.
adj.
Of or relating to this sect or its members.
[German amisch, after Jacob Amman, 17th-century Swiss Mennonite bishop.]