Astronomy, C names, Male, Proto-Indo-European, Sky/Heavens, Stars/Constellation, Virtues/Attributes, Word names


Caelum is the name of a faint constellation formerly known as Caelum Scalptorium “the engraver’s chisel”. It comes from Latin meaning “chisel” though Caelum also means “heaven, sky, atmosphere, climate” as well. The former derives from Proto-Indo-European *kh₂eyd- (cut, hew, strike) whilte the latter also comes from a Proto-Indo-European root word of uncertain meaning. The pronounciation is kind of tricky though. I’ve always pronounced it with a hard k sound, like kay-lum, though I’ve seen it listed as being pronounced as see-lum in Latin. I prefer the former pronounciation.

Origin: Proto-Indo-European



  • Caelius (Ancient Roman)
  • Kaelum (English)
  • Caylum (English)
  • Kaylum (English)


Female forms:

  • Caelia (Ancient Roman)
  • Caeli (Latin)


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