Maitrankn.

1852 T. F. Betton tr. V. Regnault Elements Chem. II. 661 Its existence [i.e. that of coumarin] has been detected in the flowers of the melilot, and the sweet woodruff, called waldmeister by the Germans, who use it in the preparation of an agreeable beverage, called maitrank.]

1858 ‘G. Eliot’ Jrnl. 26 May (1998) 317 Delicious Mai-trank, made by putting the fresh ‘Waldmeister’—a cruciferous plant with a small white flower..into mild wine, together with sugar.

a1896 G. Du Maurier Martian (1897) 273 You might sit for sixpence in a pretty garden and drink coffee, beer, or Maitrank.

1899 G. Jekyll Wood & Garden vi. 60 The pretty little Woodruff..revives memories..of Maitrank, that best of the ‘cup’ tribe of pleasant drinks, whose flavour is borrowed from its flowering tips.

1908 E. R. Emerson Beverages II. ii. 51 The Herr German finds a more poetical use for it [i.e. woodruff] by infusing it in wine and making his celebrated maitrank.