Shimmer

Origin

Old English scymrian or Old Norse skimi.

Full definition of shimmer

Verb

1. (intransitive) To shine with a veiled, tremulous, or intermittent light; to gleam faintly; to glisten; to glimmer.
• Tennysonthe shimmering glimpses of a stream

Noun

1. A faint or veiled and tremulous gleam or shining; a glimmer.