laches

noun la·ches \ˈla-chəz, ˈlā-\

plural laches

Definition of LACHES

: negligence in the observance of duty or opportunity; specifically : undue delay in asserting a legal right or privilege

Middle English lachesse, from Anglo-French laschesce, from lasche lax, ultimately from Latin laxare to loosen — more at lease

First Known Use: 14th century

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