Eisel

Ei'sel noun [ Old French aisil , aissil , from Latin acetum . Confer Acetic .] Vinegar; verjuice. [ Obsolete] Sir T. More.
Found on http://www.encyclo.co.uk/webster/E/15

Eisel

• (n.) Vinegar; verjuice.
Found on http://thinkexist.com/dictionary/meaning/eisel/

eisel

sour wine resembling vinegar
Found on http://phrontistery.info/e.html
No exact match found