Middle English liespl. ofliefrom Old French from Medieval Latin liaprobably of Celtic originlegh- in Indo-European roots
American Heritage Dictionary of the English Language, 5th Edition
Old French lies, from Medieval Latin liae (plural of lias), from Gaulish*liga (“silt, sediment"), akin to Welshllai, Old Breton leh (“deposit, silt") (modern lec'hi (“lees").
Lees Sentence Examples
Some steep seed in soda and oil lees to get a larger produce.
Poisoning by caustic soda is rare, but occasionally it takes place by swallowing soap lees (sodium carbonate), which may contain some impurities of caustic soda.
The discontinued Harveian Institution for young men was named after William Harvey, discoverer of the circulation of the blood, a native of Folkestone (1578), who is also commemorated by a tercentenary memorial on the Lees.
It appears probable that the conductivity of a liquid increases considerably with rise of temperature, although the contrary would appear from the work of Lees.
During this secondary fermentation the wine gradually throws down a deposit which forms a coherent crust, known as argol or lees.