janco -jan- gismu

x1 is a/the shoulder/hip/joint [body-part] attaching limb/extremity x2 to body x3.

See also birka.


In notes:

birka
x1 is a/the arm [body-part] of x2; [metaphor: branch with strength].
janjaknyxa'i
x1 is a bazooka for use against x2 by x3.