Oho! This is a Scottish word and has earned the “British” tag!
The word occurs in the northern (not in the midland) version of the Cursor Mundi. It has recently been often used in general literature, but is still regarded as properly Scotch.
- 08.038 but it sounded eerie
“eerie | eery, adj.” OED Online. Oxford University Press, June 2015. Web. 27 July 2015.