oxymel
A mixture of honey, water, and vinegar, boiled to a syrup, sometimes mixed with herbs or spices.
historical
If it long continue, vomits may be taken after meat, or otherwise gently procured with warm water, oxymel, etc., now and then.
Where it comes from
From Middle English oximel, from Late Latin oxymel, oxymeli (“acid and honey”), from Ancient Greek ὀξύμελι (oxúmeli).
Adapted from the Wiktionary entry oxymel (CC BY-SA 4.0).