junta gismu

x1 is the weight of object x2 in [gravitational or other force] field x3.

See also grake, linto, tilju, bunda.

In notes:

bunda
x1 is x2 (def. 1) local weight unit(s) [non-metric], standard x3, subunits [e.g. ounces] x4.
grake
x1 is x2 gram(s) [metric unit] in mass (default is 1) by standard x3.
linto
x1 is light in mass/weight by standard x2.
tilju
x1 is heavy/weighty in mass/weight by standard x2.
juntyjdika
x1 reduces in weight by amount x2 by standard x3
juntymre
m1 (agent) weighs object j2 as m3 units on scale m4 (si'o) in field j3.
juntyze'a
x1 increases in weight by amount x2 by standard x3. x1 gets heavier.
grava
x1 pertains/is related to/reflects (the) gravitational interaction [fundamental]/gravity in manner/with properties/in state/with realization x2, coupling to x3 in manner/with strength x4