shimmer (n.) Look up shimmer at Dictionary.com
1821, from shimmer (v.).
shimmer (v.) Look up shimmer at Dictionary.com
Old English scimerian "to glitter," related to (perhaps a frequentative of) scimian "to shine," also "grow dark," and scinan (see shine (v.)). Ultimately from Proto-Germanic *skim- (cf. Swedish skimra, Dutch schemeren "to glitter," German schimmern), from PIE root *skai- "to gleam, to shine." Related: Shimmered; shimmering.