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

Indicates that the following interval modifier (using TAhE, ROI, or ZAhO) refers
to space rather than time.

ko vi'i fe'e di'i sombo le gurni You-imperative [1-dimensional] [space]
[regularly] sow the grain. Sow the grain in a line and evenly!

