To wean a young animal from its mother's milk; to cause to stop nursing.
From Latin 'ablactare' (to wean), composed of 'ab-' (away from) and 'lactare' (to give milk, from 'lac' meaning milk). The term entered English in the 17th century.
This word contains 'lac' (milk) at its root—the same root that gives us 'lactose,' 'lactation,' and 'galaxy' (which originally meant 'milky way' in Greek), all ultimately describing milk.
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