shimmering

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

    To shine with a veiled, tremulous, or intermittent light; to gleam faintly.

noun
  1. 1

    A gleam or glimmer.

Source: https://en.wiktionary.org/wiki/shimmer, https://en.wiktionary.org/wiki/shimmering