Polonial1
/pəˈləʊnɪəl/adjective
= Polonian.
Origin
Late 19th century; earliest use found in The Atlantic Monthly. From the name of Polonius + -al.
Polonial2
/pəˈləʊnɪəl/rare
adjective
= Polish.
Origin
1920s; earliest use found in Blackwood's Magazine. From post-classical Latin Polonia + -al.