su'u NU …KEI -suv- cmavo

abstractor: generalized abstractor (how); x1 is [bridi] as a non-specific abstraction of type x2.

On affix form:

sfubu
x1 dives/swoops [manner of controlled falling] to x2 from x3.

In definition:

tu'a
extracts a concrete sumti from an unspecified abstraction; equivalent to le nu/su'u [sumti] co'e.
fi'oi
Right-scoping adverbial clause: encloses a bridi and turns it into an adverbial term; the antecedent (ke'a) of the enclosed bridi stands for the outer bridi {lo su'u no'a ku} (the bridi in which this fi'oi term appears), including all the other adverbial terms (tags...) within this bridi located on the right of this fi'oi term (rightward scope).
xoi (exp!)
Right-scoping adverbial clause: encloses a bridi and turns it into an adverbial term; the antecedent (ke'a) of the enclosed bridi stands for the outer bridi {lo su'u no'a ku} (the bridi in which this xoi term appears), including all the other adverbial terms (tags...) within this bridi located on the right of this xoi term (rightward scope).

In notes:

bu'ai (exp!)
abstractor: abstractor to create logically quantified selbri variable to be used in predicate logic of third or higher order.
goi'e (exp!)
assign sentence or tu'e...tu'u group to sumti
eilga
x1 (du'u/nu) should (moral obligation) be true/happen by standard x2
jboponei
x1 relates to/is an instance of jboponei dialect in aspect x2
su'umdu
x1 is the predicate abstraction described by text x2, and is of type x3