گردون

From the verb گَشتَن (gaštan, “to rotate, turn, revolve”). Equivalent to گرد (gard) +‎ ـون (-un).

گردون • (gardun)

1. wheel (Any circular device which rotates on its axis.)
2. (poetic) sky, space, heaven
   • c. 1260s, Jalāl ad-Dīn Mohammad Rūmī, translated by Reynold A. Nicholson, مثنوی معنوی [Masnavi-ye-Ma'navi], volume I, verse 3423:

     عدل توزیم و عبادت آوریم
     باز هر شب سوی گردون بر پریم

     'adl tûzîm u 'ibâdat âvardîm
     bâz har šab sôy-i-gardûn bar parîm

     We will deal justice and perform worship
     and every night we will fly up again to Heaven

From Middle Persian [script needed] (wardyūn).

گردون • (gardun)

1. chariot
2. carriage

• گردونه (gardune), ارّابه (arrâbe)

• Dehkhoda, Ali-Akbar (1931–) “گردون”, in Dehkhoda Dictionary Institute, editors, Dehkhoda Dictionary (in Persian), Tehran: University of Tehran Press
• MacKenzie, D. N. (1971) “wardyūn”, in A concise Pahlavi dictionary, London, New York, Toronto: Oxford University Press, page 87