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From eald (“old”) + burg (“fort”). Compare other placenames, such as Aldborough, Aldbrough, Aldbury, Aldeburgh and Aldeby, and German Oldenburg.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A village and civil parish in East Hertfordshire district, Hertfordshire, England (OS grid ref TL4324). Full definition →
From eald (“old”) + burg (“fort”). Compare other placenames, such as Aldborough, Aldbrough, Aldbury, Aldeburgh and Aldeby, and German Oldenburg.
Etymology from Wiktionary, CC BY-SA 4.0.