FAhA (http://www.lojban.org/en/publications/reference_grammar/chapter10.html)

Specifies the direction in which, or toward which (when marked with MOhI) or along
which (when prefixed by VEhA or VIhA) the action of the bridi takes place.

le nanmu zu'a batci le gerku The man [left] bites the dog. To my left, the man
bites the dog.

