The Proto-Semitic word šamāʾ, šamāy
Word šamāʾ, šamāy
Meaning sky

Comments
Kaye, Alan S. "Christopher Ehret. Reconstructing Proto-Afroasiatic (Proto-Afrasian): Vowels, Tone, Consonants, and Vocabulary", University of California 1995

Other words that might be of interest
ɬh(r) ‘moon’, śamš ‘sun’