On grammatical class:

ku'o
elidable terminator: end NOI relative clause; always elidable, but preferred in complex clauses.

In definition:

cmavrku'o
x1 is the selma'o "KUhO".

In notes:

binsasu
x1 is a part of Lojban text representing rule 'relative-clause' according to the first edition of the book 'The Complete Lojban Language'.