mirroring

/M IH1 R ER0 IH0 NG/
verb
  1. 1

    Of an event, activity, behaviour, etc, to be identical to, to be a copy of.

  2. 2

    To create something identical to (a web site, etc.).

  3. 3

    To reflect, as in a mirror.

noun
  1. 1

    A reflection or inversion.

Source: https://en.wiktionary.org/wiki/mirror, https://en.wiktionary.org/wiki/mirroring