The word "Deutschman" does not seem to have a widely recognized etymology. It appears to be a combination of the word "Deutsch", which is the German word for "German", and the suffix "-man", which is often added to denote a person or inhabitant of a particular place. However, "Deutschman" is not commonly used or recognized as a standard term. It is possible that it is a variation or a less common form of "Deutscher", which is the traditional term for a German man in German language.