Some fear going to sea in old Greek ship (4)

I believe the answer is:

argo

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'old greek ship' is the definition.
'Argo' can be an answer for 'ship' (ship in Greek myth). I am not certain of the 'old greek' bit.

'some fear going to sea' is the wordplay.
'some' indicates a hidden word (some of the parts of the word are used).
'ARGO' is hidden within 'fear going sea'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for argo that I've seen before include "Stars once recognised in the south" , "ancient boat" , "Jason's craft" , "Mythological ship" , "Old sailing vessel" .)

I've seen this clue in the Sydney Morning Herald.

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