Rorschach

1927, in reference to a personality test using ink blots, developed by Swiss psychiatrist Hermann Rorschach (1885-1922). The town so named on the Swiss side of Lake Constance is from an early form of German Röhr "reeds" + Schachen "lakeside."

Online Etymology Dictionary, © 2010 Douglas Harper

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Rorschach

[ rôrshäk′, -shäKH′ ]
Hermann 1884-1922

Swiss psychiatrist. His inkblot test, introduced in 1921, has become a standard clinical diagnostic tool in psychiatry.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.