One travels thus in seafaring (4)

I believe the answer is:

afar

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'one travels thus' is the definition.
I can't judge whether this defines the answer.

'in seafaring' is the wordplay.
'in' indicates a hidden word.
'AFAR' can be found hidden inside 'seafaring'.

Can you help me to learn more?

(Other definitions for afar that I've seen before include "Many a mile" , "Inhabitant of Ethiopia" , "beyond the horizon" , "A long way away" , "Pull out at a distance" .)

I've seen this clue in the Evening Standard.

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