Pathological; pathology

ETYM As. paeth, path; akin to Dutch pad, German pfad, of uncertain origin; cf. Greek patos, Skr. patha, path.
1. A line or route along which something travels or moves; SYN. track, course.
2. A way especially designed for a particular use.
3. An established line of travel or access; SYN. route.

1. In communications, a link between two nodes in a network.
2. A route through a structured collection of information, as in a database, a program, or files stored on disk.
3. In programming, the sequence of instructions a computer carries out in executing a routine.
4. In information processing, such as the theory underlying expert (deductive) systems, a logical course through the branches of a tree of inferences leading to a conclusion.
5. In file storage, the route followed by the operating system through the directories in finding, sorting, and retrieving files on a disk.
6. In graphics, an accumulation of line segments or curves to be filled or drawn.