nepotic
/nɪˈpɒtɪk/ /nɛˈpɒtɪk/adjective
1Tending to, characterized by, or of the nature of nepotism.
2That is a nephew; of or relating to a nephew. rare.
Origin
Mid 19th century; earliest use found in The Lancet. From classical Latin nepōt-, nepōs + -ic, after nepotism.