What is the Latin word for sky?

The usual Latin words for “sky” are caelum, Ennius, tollō; also ferō. The right choice depends on the sense; see the distinctions below.

English → Latin

“sky” in Latin

caelumheaven (where the stars and the Milky Way is); sky; climate, weather Enniusa Roman nomen gentile, gens or "family name" famously held by tollōto raise, lift up, elevate; to remove, take away, steal, rob; to destroy, eliminate, annul ferōto bear; to carry; to support, hold up; to suffer, tolerate, endure, bear

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

sky

caelum [Vid: HEAVEN]. ☞ Altum (neuter adjective) is poetical (Ennius, Virg., etc.). To praise anybody to the skies, aliquem ad caelum (or ad astra) tollere or ferre; alicujus laudes in astra tollere: anything, aliquid ad caelum laudibus efferre.

Quick answer

What is the Latin word for sky?: The usual Latin words for “sky” are caelum, Ennius, tollō; also ferō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.