Meaning

noun a French marshal who distinguished himself in the War of the Austrian Succession (1696-1750)

noun an area in Germany around the upper Elbe river; the original home of the Saxons

originSeemingly a combination of influences: Middle English Saxe (“the Saxons”) (from Old English Seaxe), Middle French Saxe (“Saxony”), and German Sachsen (“Saxony”) and Sachse (“a Saxon”) itself, rewritten with x (compare regional German Saxen). The form Saxẽ (i.e., Saxen) is found in some Early Modern sources. The surname is also partly from German Sachs, itself a variant of Sachse; a variant of…

Etymology from Wiktionary, CC BY-SA 3.0