Where does “Ahad” come from?

Ahad (Indonesian) comes from Malay ahad, from Malay احد, from Arabic اَلْأَحَد.

Ancestry of “Ahad”, step by step

Step	Language	Word	Meaning
1	Malay	ahad	one
2	Malay	احد	one; Sunday
3	Arabic	اَلْأَحَد	—

Ahad — Etymology, Origin & Word History | Etymology Explorer