planetic
/pləˈnetɪk/ /pləˈniːtɪk/adjective
1 Astronomy and Astrology. Of, relating to, or caused by a planet or planets; = planetary 1b. Now rare.
2 Biology. Of, relating to, or designating a dispersal stage in certain fungi and algae, involving motile cells or spores or (in later use) the transfer of nuclei between cells.
Origin
Mid 17th century. From post-classical Latin planeticus wandering from Hellenistic Greek πλανητικός wandering, of or relating to a planet from ancient Greek πλανητός wandering, used occasionally of planets + -ικός. Compare French †planetique.