bolgaro fu'ivla

x1 is Bulgarian in aspect x2.

Cf. slovo, nanslovo.

In notes:

bolgarobau
x1 is the Bulgarian language used by x2 to communicate x3
nanslovo
x1 is South Slavic/Yugoslavian in aspect x2.
samlu
x1 reflects (ex-)Ottoman culture/empire/language in aspect x2
srepxrvati
x1 is Serbo-Croatian (Serbian/Croatian/Bosnian/Montenegrin) in aspect x2