Overest

O'verĀ·est adjective [ Superl. of Over .] Uppermost; outermost. « Full threadbare was his overeste courtepy.» Chaucer.
Found on http://www.encyclo.co.uk/webster/O/51

Overest

• (Superl.) Uppermost; outermost.
Found on http://thinkexist.com/dictionary/meaning/overest/
No exact match found