x1=m1=k1 corresponds to / is as x2=m2=k2 in property / aspect x3=m3=k3 by standard x4=m4.
Derived from the more general and vague mapti with a more specific meaning, in this case as a lujvo (which supports -(')y(')- hyphens with fu'ivla components in the lujvo) rather than a less general fu'ivla. ni'o See also: semai'ai, le'oi, sedu'i, sela'u.