a word borrowed from no language in particular
ad·un·das · noun · uncountable · etymology: unrecovered · cf. hexture, wreathus
adundas is the experience of arriving in a place that is exactly as you pictured it, but which you have never seen.
it has a specific quality of light. the air is slightly cooler than expected. somewhere out of sight, an instrument is being tuned and never quite played.
adundasadundasadundasadundasadundasadundasadundasadundas
it is a state. it is also a small room near the centre of sometemple. most visitors pass through it without realising. it is occasionally listed as a ritual, occasionally as a dream, occasionally as a kind of naturing.
to use the word in a sentence: "i had an adundas yesterday — between waking and getting out of bed."