Cael. The Latin word for sky is caelum, and the word for heaven is caeli
Caelum.
Caelum.
Latin. Means 'in the sky.'
the sky or air
Caelum (-i, n).
Highest in the Sky.
Liberi caeli.
Colores caeli.
Castella in caelo.
"Magnum caelum."
This is a Latin word that changed over time.In the oldest archaic Latin (pre-classical), the word was caelus, pronounced kai-loos.In classical Latin, "sky" or "heaven" is caelum, pronounced kai-loom.By the medieval period, in Church Latin usage, it had changed to coelum (although the earlier spelling was still sometimes used). Now it was said cheh-loom.