zo'u _ZOhU cmavo

marks end of logical prenex quantifiers/topic identification and start of sentence bridi.

On grammatical class:

ce'ai (exp!): lambda variable prenex; marks the end of introduction of lambda-scope variables.
fi'ai (exp!): marks end of prenex in stack-based dialect
ge'ai (exp!): metasyntactic variable prenex
ke'au (exp!): relative clause prenex: assigns a variable to the object of the relative clause
zo'u: marks end of logical prenex quantifiers/topic identification and start of sentence bridi.

In notes:

brinimikra: x₁ is a part of Lojban text representing rule 'prenex' according to the first edition of the book 'The Complete Lojban Language'.