linto -li'o- gismu

x1 is light in mass/weight by standard x2.

(cf. junta, tilju; se xalbo, kandi for metaphor)


In notes:

junta
x1 is the weight of object x2 in [gravitational or other force] field x3.
kandi
x1 is dim/dull/pale/non-intense in property x2 (ka) as received/measured by observer x3.
tilju
x1 is heavy/weighty in mass/weight by standard x2.
xalbo
x1 uses levity/is non-serious/frivolous about x2 (abstraction).