CEhE (http://www.lojban.org/en/publications/reference_grammar/chapter14.html, http://www.lojban.org/en/publications/reference_grammar/chapter16.html)

Joins multiple terms into a termset. Termsets are used to associate several terms
for logical connectives, for equal quantifier scope, or for special constructs in
tenses.

mi ce'e do pe'e je la djan. ce'e la djeimyz. cu pendo I [,] you [joint] and
John [,] James are-friends-of. I am a friend of you, and John is a friend of
James.

