lau LAU cmavo

2-word letteral/shift: punctuation mark or special symbol follows.

On affix form:

cladu
x1 is loud/noisy at observation point x2 by standard x3.

In definition:

cmavrlau
x1 is the selma'o "LAU".

In notes:

burfava
x1 is a part of Lojban text representing rule 'lerfu-word' according to the first edition of the book 'The Complete Lojban Language'.
epsi bu
digit/number: dual ε of dual number in linear algebra; square root of 0