Components in this compound:

pezli

x₁ is a leaf of plant x₂; x₁ is foliage of x₂.

solri

x₁ is the sun of home planet x₂ (default Earth) of race x₃; (adjective:) x₁ is solar.

gusni

x₁ [energy] is light/illumination illuminating x₂ from light source x₃.