E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Wormwood wine. Hamlet says to Laertes, Woult drink up eiselli.e. drink wormwood wine to show your love to the dead Ophelia? In the Troy Book of Ludgate we have the line Of bitter eysell and of eager [sour] wine. And in Shakespeares sonnets;