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Inherited from Middle English to done wið.

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to do with

1. (idiomatic) Related to or relevant to; concerned with.
   1. Used directly after the verb have or have got.

      As I recall, his book had to do with alien abductions.

   2. Used after the verb have or have got and a pronoun or determiner.

      Does this have anything to do with the party you were planning?

      The two concepts are often confused, but they actually have very little to do with each other.

      Yes, I have a car, but what does that have to do with whether I am qualified for a desk job?

   3. Used after a pronoun or determiner without the verb have or have got.

      She says she doesn't want anything to do with him anymore.

      • 2026 March 4, Christian Wolmar, “Railtrack: what really happened”, in RAIL, number 1056, page 53:

        "We found there had been 60 SPADs in the Paddington throat in the previous eight years, and that was all to do with the layout becoming more complex because of the Heathrow Express.

• do (syntactic marker to avoid repetition of an earlier verb)

• “to do with”, in OneLook Dictionary Search.