Attested:  RC Leucumagna Leucomag~o Leucumagno (in the 3 manuscripts)

Where:  Probably Portsmouth Harbour, around SU6103.

Name origin:  About Leuco-, see here, referring to an open space, plus magnus ‘large’.

Notes:  Ptolemy 2,3,33 described his Μεγας λιμην ‘great harbour’ as lying north of the Isle of Wight, for which R&S suggested the whole Solent.  However, that does not really qualify as a harbour, though it is surrounded by inlets where small ships can moor, of which the largest is Portsmouth Harbour.  Portchester Castle, deep inside, might be ND's Portum Adurni.

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Last Edited: 19 February 2017