punli -pul- gismu

x₁ is a swelling/protrusion/convexity [shape/form] at/in/on x₂, of material x₃.

(adjective:) x₁ is swollen. See also balji, cmana, plana.

In notes:

balji: x₁ is a bulb [body-part] of plant/species x₂; [metaphor: rounded, bulgy].
cmana: x₁ is a mountain/hill/mound/[rise]/[peak]/[summit]/[highlands] projecting from land mass x₂.
plana: x₁ is plump/fat/obese [excessively thick/bulbous/swollen] by standard x₂.
befyba'a: be₁=ba₁ is the navel / belly button (umbilicus) of be₂=ba₂.
galxypunli: g₁=p₁ is the Adam's apple (laryngeal prominence) of g₂=p₂.
ma'arbi'i: j₁ is a valley between mountains/hills c₁=j₂ in terrain c₂.
u'ivla: x₁ is a word meaning x₂ in language x₃ and silly/funny/clever for reason x₄ (usually etymological).