Mittels
Mittels is a German preposition meaning by means of or through, used to indicate the instrument or method by which an action is performed. It is typically followed by a noun in the genitive case, as in mittels eines Messgeräts or mittels eines Gutachtens. In contemporary usage, mittels remains formal and is usually found in written, bureaucratic, legal, or academic texts; in everyday speech it is often replaced by durch or mit Hilfe von, depending on the context.
The word derives from Mittel (means) and has long appeared in formal registers to specify the instrumentality
Mittels also exists as a surname in German-speaking regions, though it is relatively rare. It may appear