The Proto-Semitic word śamš
Word śamš
Meaning sun

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
nwr ‘light, to shine’, θ̣lm ‘black, darkness’, ɬh(r) ‘moon’, nīr, nūr ‘light’, nVgVh ‘shine’, ġarb ‘sunset, evening’, ṯ̣il(l) ‘shadow’, ʾiš ‘fire’, šamāʾ, šamāy ‘sky’