falnu -fan- gismu

x₁ is a sail for gathering propelling material x₂ on vehicle/motor x₃.

Waterwheel (= jacfanxi'u). See also bloti.

In notes:

bloti: x₁ is a boat/ship/vessel [vehicle] for carrying x₂, propelled by x₃.
blofanga'a: g₁=b₃ is the mast made of g₂ of sail f₁ on boat f₃=b₁.
blopinfanga'a: g₁=b₃=p₁ is a/the boom/yard made of g₂ of sail f₁ on boat f₃=b₁.
fanbu'u: b₁ is canvas of material b₂.
fanjacta'o: t₁=d₁=f₁ is a windsurfingboard of material/property t₂.
tolfalnu: x₁ is a fan, a propeller for creating movement in fluid x₂ by drawing power from a vehicle/motor x₃
volfalnu: x₁ is a kite.
volfanjacta'o: t₁=d₁=f₁=v₁ is a board for use in water/(wind/kite)surfingboard/bodyboard/wakeboard of material/property t₂.