late 13c. (early 12c. as a surname), from Old North French *gardinier (Old French jardineor "gardener," 12c., Modern French jardinier), from gardin "(kitchen) garden" (see garden (n.)). Compare German Gärtner. An Old English word for it was wyrtweard, literally "plant-guard."[gardener etymology, gardener origin, 英语词源]