sezyskivla lujvo

x1 is an autonym (word that describes itself) meaning x2 in language x3

Lojban examples: gismu, cimjvo, u'ivla. See sevzi, skicu, valsi

In notes:

x1 is a rhythmic conjugation of word x2, rhyming with word x3 in language x4, with changed final vowel/ending x5.
x1 is a gismu created to resemble cmavo x2 in such a way that the cmavo, originally not based on any gismu etymologically, could be reanalyzed to be based on the gismu; x1 is a reverse source gismu of x2.