Attested:  RC Tamion/Tainon/Tamson

Where:  The river Taff leading to Cardiff, with mouth around ST1972.

Name origin:  Maybe this is another Tam- river name, about which see Tamesis, with an ending in –ion that might have come from a Greek source (similar to Ptolemy) used by the Cosmographer or from a Welsh plural.  Or else maybe it is wholly Greek: ταμειον (or ταμιειον) ‘storehouse, treasury, inner room’, a word well known to Roman authors.

Notes:  in RC’s harbour tour between Isca and Aventio.

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Last Edited: 10 August 2016