ruu

This particle along with the relational NI denotes motion away from something. So:

ñi liēn rū jahāwekien;
I went [away] from the shore.

Edit: changed to in the example sentence.

raa

This particle along with the relational NI denotes motion towards something. So:

ñi liēn rā jatōna;
I went to the road.

anrūsa & anrūsīsse

anruusa

anrūsa

cyclic motion, returning motion.

The stem -rūs- generally refers to a cyclical event – a return to a previously held location. This most often applies to celestial objects. It can also refer to non-motion cycles, such as a regular returning to a previous state or quality.

anruusiisse

anrūsīsse

back and forth motion, as in a swinging pendulum or a commute.