ki'irsi fu'ivla

x1 is a sequence in which each adjacent pair of elements is related by x2 (binary predicate; applied in the order of the sequence).

For example, "lo serlaximorfa ce'o lo oxtopoda ce'o lo finpe ce'o lo alga cu ki'irsi lo ka ce'u ce'u citka" expresses "sharks eat octopuses, and octopuses eat fish, and fish eat algae."

In notes:

ko'orsi
x1 (ka, binary predicate) links x2 and x3, and x3 and x4, and x4 and x5, et cetera
utka
x1 and x2 are path-linked by binary predicate x3 (ka) via intermediate steps x4 (ce'o; (ordered) list).