psilo-, psil- +

(Greek: bare, making bare, stripping; smooth, plain; mere, merely)

Used by biologists and ecologists with the sense of "prairie" or "savannah"; a flat grassland in tropical or subtropical regions.

psilother
A substance that removes hair; a depilatory (a preparation to remove "growing" hair).
psilothrum
A substance that causes loss of hair.
psilotic
A reference to psilosis.