A Latin term abbreviation meaning 'at the age of' or 'aged,' commonly used in historical records, genealogies, and epitaphs to indicate someone's age.
From Latin 'aetate,' the ablative singular form of 'aetas' (age, lifetime). This abbreviation became standard in European historical documentation from medieval times.
History enthusiasts find 'aetat' everywhere in old records—it's the genealogist's shorthand that helps piece together when someone lived, died, and how long they made it.
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