bavyspe lujvo

s1 is the fiancé(e)/betrothed of s2 under law/custom/tradition/system/convention s3.

Cf. pruspe.

In notes:

fetnalspe
f1=n1 is an unmarried woman under law/custom/tradition s3.
fetspe
x1 is a wife of x2 (spouse) according to marriage tradition/custom/law x3.
naknalspe
f1=n1 is an unmarried man under law/custom/tradition s3.
nalspe
f1=n1 is unmarried under law/custom/tradition s3.
pruspe
s1 is the ex-wife/husband of s2 under law/custom/tradition/system/convention s3.