Italian artist leaving Goa in terrible agitation (6)

I believe the answer is:

titian

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'italian artist' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for titian that I've seen before include "Italian painter; hair colour" , "Italian 16th-century painter" , "Italian Old Master and colour" , "The painter Tiziano Vecellio" , "Venetian fifteenth-sixteenth century painter" .)

I've seen this clue in The Irish Times.

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