AttestedLeucu magna or Leuco mag~o or Leucu magno at position 45 in the Ravenna Cosmography.

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 Rivet & Smith 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 the Notitia Dignitatum's Portum Adurni.  All three manuscripts show a clear space between the two name elements, and the letter N is clear in two of them, so there is no justification for citing this name as Leucomago.

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Last edited 9 May 2022     To main Menu