Starting for all sides today producing touchdown? (4)

I believe the answer is:

land

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'starting' is the definition.
Both the definition and answer are adjectives. Perhaps there's a link between them I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for land that I've seen before include "people" , "Bring or come ashore" , "Secure" , "nation" , "SECOND PART OF 15" .)

I've seen this clue in The Irish Times.

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