How to say "sky" in Arabic

Cognate

Meaningsky

Arabic · Modern Standard Arabic

سَمَاء

samāʾסמאא

سماء

Hebrew · Modern Hebrew

שמיים

shamayimشَامَايِم

How the two words are related

Cognate

Same Semitic root, same meaning — you already know this word.

Arabic root

س-م-و

Samāʾ and shamayim share the Proto-Semitic word for the heavens, with the classic Hebrew ש ↔ Arabic س shift you already know from shalom/salām.

السَّمَاء زَرْقَاء

as-samāʾ zarqāʾא-סמאא זרקאא

the sky is blue

سَمَاوَات

samāwātסמאואת

sound feminine plural -āt; Quranic as-samāwāt wa-l-arḍ mirrors Biblical השמים והארץ