"wreath of flowers," c.1300 (mid-13c. in Anglo-Latin), from Old French garlande, perhaps from Frankish *weron "adorn, bedeck" (cf. Middle High German wieren "adorn, bedeck"), from PIE *wei- "to turn, twist" (see wire).
early 15c., "to make a garland;" 1590s, "to crown with a garland," from garland (n.). Related: Garlanded; garlanding.