Avesta people. The term "Avesta" is from the 9th/10th-century works of Zoroastrian tradition in which the word appears as Zoroastrian Middle Persian "abestāg", Book Pahlavi "ʾp(y)stʾkʼ". In that context, "abestāg" texts are portrayed as received knowledge, and are distinguished from the exegetical commentaries (the "zand") thereof. The literal meaning of the word "abestāg" is uncertain; it is generally acknowledged to be a learned borrowing from Avestan, but none of the suggested etymologies have been universally accepted. The widely repeated derivation from *"upa-stavaka" is from Christian Bartholomae ("Altiranisches Wörterbuch", 1904), who interpreted "abestāg" as a contraction of a hypothetical reconstructed Old Iranian
The Book of Dave is irrelevant, compared to what people make of it. At the same time, reports of increased raisings of the Thames Barrier had led him to contemplate that a catastrophic flood of London would render even detailed archival knowledge unable to reconstruct the metropolis. The "Book of Dave" can be considered to be a parody of modern religion especially with regard to blind faith. For example, the "Hamsters", the inhabitants of the island of Ham (actually the higher, unflooded part of Hampstead Heath), believe that certain verses out of the book are sacred "hymns", where in fact they are just excerpts