northernly
/ˈnɔːðnli/Now rare
adverb
1= northerly. Now rare.
2In a north country manner; specifically in a north country dialect or accent. Compare northern. Now rare.
Origin
Late 16th century; earliest use found in Thomas Newton (d. 1607), translator and Church of England clergyman. From northern + -ly, probably partly as alteration of northerly.