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From Latin caeruleus (“blue”) + -an, from caelum (“sky, heaven”) + -uleus (diminutive suffix).
Etymology from Wiktionary, CC BY-SA 4.0.
cerulean
ce·ru·le·anToday it means: A greenish-blue color. Full definition →
Today it means: A greenish-blue color. Full definition →
From Latin caeruleus (“blue”) + -an, from caelum (“sky, heaven”) + -uleus (diminutive suffix).
Etymology from Wiktionary, CC BY-SA 4.0.