On grammatical class:

fe'e
mark space interval distributive aspects; labels interval tense modifiers as location-oriented.

In definition:

cmavrfe'e
x1 is the selma'o "FEhE".

In notes:

fe'erda
x1 is a part of Lojban text representing rule 'space-int-props' according to the first edition of the book 'The Complete Lojban Language'.