From a form of Aramaic 𐡆𐡌𐡍𐡀 (zmnʾ), from a late pronunciation of Old Persian *jamānā (“time”) (from which Middle Persian 𐫉𐫖𐫀𐫗 (zmʾn /zamān/), 𐭥𐭣𐭭𐭠 (ODNA /zamān/)), from Proto-Iranian *ǰámaHnaH, see there for more.
Oefen om " زمان " en baie ander woorde en sinne in Arabic .