As a word, (
Old Persian 𐎠𐎱𐎭𐎠𐎴, masc.) is used to designate a hypostyle hall, i.e., a palace or audience hall of stone construction with columns. The word is rendered in
Elamite as
ha-ha-da-na and in
Babylonian ap-pa-da-an is etymologically ambiguous. It has been compared to the
Sanskrit (आपादन) which means 'to arrive at', and also to the Sanskrit
apa-dhā (अपधा) which means "a hide-out or concealment", and the
Greek (), meaning "storehouse". The word survived into later periods in Iran, as the
Parthian '
pdn(y) or '
pdnk(y) "palace", and outside Iran it still survives in several languages as loan-words (including the
Arabic (
transliteration:
fadan) for "palace" and the
Armenian aparan-kʿ for "palace".) As a modern architectural and archaeological term, the word
apadana is also used to refer to
Urartian hypostyle halls, such as those excavated at
Altintepe and
Erebuni. These halls predate those from Persia, and it has been proposed that Urartu could be the stylistic origin of the later Persian hypostyle audience halls. == Apadana Palace in Susa ==