A tessijen is a Bajoran unit of measurement.

The tunnels of the Paths of the Lost are believed to extend for tessijens under Ashalla. (DS9 short story: "Ha'mara")

In 2376, Azeni Korena was more than thirty tessijens away from Mylea when she was forced to stop in a small village on the River Way. (DS9 novel: Bajor: Fragments and Omens)

Bajoran measurements
hecapate • kellipate • kerripate • linnipate • tessijen • tessipate