shimmer
/ˈʃɪmə/
verb
[no object]
Shine with a soft, slightly wavering light.
noun
A soft, slightly wavering light.
Origin
Late Old English scymrian, of Germanic origin; related to German schimmern, also to shine. The noun dates from the early 19th century.
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The bay surface shimmered with a nearly nacreous sheen in the light of the moon and the mix of harbor lights.