tubyspe lujvo

s1 is a brother/sister-in-law (brother's/sister's spouse) of m2 under law/custom/tradition/system/convention sp3.

Omit x4=s2=m1. Cf. speni, bunspe, me'ispe, spetunba.


In notes:

bunspe
s1 is a brother's spouse of m2 under law/custom/tradition/system/convention sp3.
me'ispe
s1 is a sister's spouse of m2 under law/custom/tradition/system/convention sp3.
spebu'a
x1 is a brother-in-law (brother of a spouse) of x2 according to custom/law x3.
speme'i
x1 is a sister-in-law (sister of a spouse) of x2 according to custom/law x3.
spetunba
x1 is a sibling-in-law (sibling of a spouse) of x2 according to custom/law x3.