One of the mysteries of the English language finally explained.
1A cooling drink, typically made of wine and water, and flavoured with lemon juice, spices, and borage. Now historical.
2Originally English regional. The herb borage, Borago officinalis.
Late 17th century; earliest use found in Thomas Brown (bap. 1663, d. 1704), writer. From cool + tankard.
cool tankard/ˌkuːl ˈtaŋkəd/
In this article we explore how to impress employers with a spot-on CV.