One of the mysteries of the English language finally explained.
1A new or renewed concentration.
2Specifically. During the final phase of the Cuban war of independence (1895–8): the policy or practice of interning Cubans in garrisoned towns or detention camps by the Spanish military authorities. Frequently attributive Compare reconcentrado. Now historical.
Mid 19th century; earliest use found in George Robert Gleig (1796–1888), chaplain to the armed forces and author. From re- + concentration, after reconcentrate.
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