Mr. MdLukas: This is not an easy question to find the answer to but I did find some stuff that might lead you down the right path. What I have learned is that different royalty called their portable thrones different things. If you are the pope, you cruised in the sedia gestatoria. If you were in ancient rome, it was a lectica, in India a palkhi. But I think the best one of these for your answer is the kursi