On gloss:

grana in sense "shape/form"
x1 is a rod/pole/staff/stick/cane [shape/form] of material x2.

On affix form:

broda
1st assignable variable predicate (context determines place structure).

In definition:

ga'orga'a
x1=gr1=ga3 is a latch/[closing rod] of material x2=gr2, closing x3=ga1, preventing passage to x4=ga2
kilga'axa'i
x1=xa1=g1=k1 is a lance/spear/javelin/pointed-rod weapon for use against x2=xa2 by x3=xa3 of material x4=g2.
spardi'erama
s1 is a fairy's fishing rods/fairy's wands/fairy bells/wedding bells/hairbells/harebells (genus Dierama) of species/cultivar s2.