IN HARNESS, adj. phr. (colloquial).—In business; at work: as, TO DIE IN HARNESS = to die at one’s post; TO GET BACK INTO HARNESS = to resume work after a holiday. [HARNESS also = armour.]

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  1872.  Fun, 10 Aug. ‘Over.’

        Aye! But the sting of it’s here,
Just as I’m back INTO HARNESS,
Others are off to sea, mountain, and mere.

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  1892.  HUME NISBET, The Bushranger’s Sweetheart, p. 2. My father died IN HARNESS.

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