Metheglin

A more practical critic notes that paleolithic man had a very sweet tooth, which he sated with honey. Worse, he moonshined the honey into metheglin, an alcoholic brew. Booze and junk food, in other words, are hardly modern inventions.

Source: wiktionary

But Gwen behind the bar said: ‘Try this, mead it is called.’ Reg admired the pure long high front vowel. Sack mead and sack metheglin. A scholarly man, tall and in leggings, his face a map of purple rivery veins, said: ‘Well, it’s the Welsh national drink, or was. Should properly be meddyglyn, liquor being llyn and meddyg from medicus, the healer'.

Source: wiktionary

In Digbie's era metah, metheglin, and melomel were probably considered synonyms. […] "Melomel" today usually means a mead flavored with any fruit juice other than apples or pears. Peaches, cherries, blackberries, or plumbs^([sic]) are some good, historic choices.

Source: wiktionary