ku'a _JOI -kuz- cmavo

non-logical connective: intersection of sets.

On affix form:

kumfa: x₁ is a room of/in structure x₂ surrounded by partitions/walls/ceiling/floor x₃ (mass/jo'u).

In notes:

xa'ei'o (exp!): binary mekso operator: Let the inputs X₁ and X₂ be sets in the same universal set O; then the result of this operator applied to them is X_{1^c
\cup X}, where for any A \subseteq O, A^c= O \setminus A.