Crossword Genius

In Africa, the elephant's following (2,4)

Ross

I think it could be either:

at home

at heel
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'in' is the definition.
(someone at home is 'in')

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for at home that I've seen before include "In (for a party?)" , "Reception in one's own abode" , "ready to receive visitors" , "Comfortable - in one's own country" , "Where one lives" .)

I've seen this clue in The Guardian.
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