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14th century, in the meaning defined above
Middle English, borrowed from Latin crepusculum, from presumed earlier *krepos- "twilight" (of obscure origin) + -culum, probably after dīlūculum "dawn, daybreak" (from dīlūcēre "to be clear" + -ulum, diminutive suffix)
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From the Editors at Merriam-Webster
'Stygian,' 'Umbra,' and Other Darkness...
Words for the goth in all of us
Cite this Entry
“Crepuscule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crepuscule. Accessed 29 May. 2020.
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