The story
- Classical Persian · derived fromاَیْوَان“porch”
- Arabic · borrowed fromإِيوَان
- English todayiwan
Borrowed from Arabic إِيوَان (ʔīwān), from Classical Persian اَیْوَان (aywān, “porch”); see there for more. Doublet of apadana.
Etymology from Wiktionary, CC BY-SA 4.0.