From Classical Arabic مَاء (māʾ), derived from the Proto-Semitic root *māy- meaning "water." Cognates appear across the Semitic family: Hebrew מַיִם (mayim), Aramaic מַיָּא (mayyā), and Akkadian mū. The word has remained essentially unchanged for thousands of years, reflecting water's fundamental role in human civilization.

Water carries profound significance in Arab and Islamic culture. Offering a guest water is a basic act of hospitality, and the Quran repeatedly uses water (الماء) as a symbol of life and divine mercy (e.g., 21:30: "We made every living thing from water"). In arid regions of the Arab world, water has historically been so precious that elaborate systems of underground channels called قَنَوَات (qanawāt) were engineered to distribute it across communities. Note: in spoken dialects, مَاء may be shortened to مَي (may) or مَيَّة (mayya), so don't be surprised if you hear a different form in conversation.