Judaically
/dʒuːˈdeɪɪkli/adverb
In a Jewish manner; in accordance with Jewish doctrine or practice; as regards Jews.
Origin
Late 16th century; earliest use found in The New Testament of Jesus Christ. From Judaical + -ly, originally after post-classical Latin Iudaice (Vulgate), itself after Hellenistic Greek Ἰουδαϊκῶς.