Middle French, from Latin sideralis, from sider-, sidus star, constellation + -alis -al
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'Desire' and 'Consider': A History
We wanted it to be all luminous and starry. Really, we did.
“Sideral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sideral. Accessed 7 Dec. 2023.
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