1 in definition

lo'u _{LOhU

…LEhU} cmavo

start questionable/out-of-context quote; text should be Lojban words, but needn't be grammatical.

Terminated by le'u.

On grammatical class:

la'ai (exp!): otherwise lojbanic name, ending in a vowel; multiple names delimited by pauses.
lo'u: start questionable/out-of-context quote; text should be Lojban words, but needn't be grammatical.

In definition:

cmavrlo'u: x₁ is the selma'o "LOhU".

In notes:

la'au (exp!): start grammatical name quotation; the quoted text is an identifier and must be grammatical on its own.
xa zei sumtika: x₁ is a part of Lojban text representing rule 'sumti-6' according to the first edition of the book 'The Complete Lojban Language'.