Ciel
[siːɛl]Meaning
French for "sky"; not used as a given name in France itself.
Background Story
Ciel means "sky" in French, and Behind the Name records that it is not used as a given name in France itself. The same source lists it as a name used in Ancient Roman, Catalan, Dutch, English, Esperanto, French, German, Italian, Portuguese and Spanish. The word descends from Latin caelum, from Proto-Italic *kailom, from Proto-Indo-European *keh₂i-lom, "whole".
Temperament

Related Names
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Bleu
French word for blue, from Middle French bleu
Cielo
Spanish and Italian word for "sky" or "heaven"
Cove
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Recorded as a given name in Norse Mythology, used as a feminine name
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English back-formation from aero-, a Greek prefix relating to flight and air
Airy
Recorded as a given name in English, for boys and girls