kleinzu fu'ivla

x1 (mass / plurality) is a class / category / subgroup / subset including members x2, with defining property x3 (ka), within superset x4 (mass)

See klesi, gunma, lanzu. Suggested morphemes: -klei-, -leiu-

In notes:

klecmi
x1 is a member of class / category x2 (mass / plurality), within supergroup x3, with defining quality x4
leicmi
x1 is a member of class / category x2 (mass / plurality), within supergroup x3, with defining quality x4
sumdaiklei
x1 (mass) is the object type of argument object x2, as defined by property x3 (ka)