Apparat

Etymology
15th century, from, perhaps in part through somewhat earlier (14th c.). See for more.

Noun

 * 1) apparatus, device, machine complex instrument
 * 2)  apparat, apparatus organisation, especially bureaucratic
 * 3)  the entirety of an editor's critical notes to a text,  other appended information, such as indices etc.
 * 1)  the entirety of an editor's critical notes to a text,  other appended information, such as indices etc.