apadana means a large hypostyle hall in ancient Persian palaces. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From Old Persian 𐎠𐎱𐎭𐎠𐎴 (a-p-d-a-n /apadāna/). Doublet of iwan.
noun
- a large hypostyle hall in ancient Persian palaces