Crossword Genius

Line of speed (6)

Ross

I believe the answer is:

career

I believe this is a double definition.

'line' is the first definition.
(career is a kind of line)

'speed' is the second definition.
(I've seen this before)

'of' acts as a link.

(Other definitions for career that I've seen before include "Dash - profession" , "Run - profession" , "Not intellectual" , "Employment history" , "pursuit" .)

I've seen this clue in The Independent.
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