takhtrawan
A covered litter carried by a pair of animals.
historical
... a Tackravan, or a Field-Throne of admirable workmanship...
An ornate open litter used as a mobile throne, particularly by the Mughal emperors, usually borne by human porters.
historical
Whenever the King takes an excursion in his Paleky, on an elephant, or in a Tact-Ravan (or travelling throne, carried upon the shoulders of eight men, who are cleverly relieved from time to time when on the march by eight others), all the Omrahs who are not prevented by illness, disabled by age, or exempted by a peculiar office, are bound to accompany him on horseback...
Where it comes from
Borrowed from Classical Persian تَخْتِ رَوَان (taxt-i rawān), partially via French tack-ravan, from تَخْت (taxt, “throne, elevated seat or bed”) + رَوَان (rawān, walking, travelling, mobile).
Adapted from the Wiktionary entry takhtrawan (CC BY-SA 4.0).