Marginalia after Sebald

...

   Arsanical Horror*[n.  ahr-sen-ik-uhl hawr-er]Noun -
1. An unforeseen and inauspicious event related, perhaps, to chemicals.
2. Impossible to grasp completely. Incomprehensible.
    "I understood it all now, yet I do not un der stand it."
3. See also: clairvoyant, deathbed, dust.

 * From WG Sebald's Austerlitz