Source : Webster's Revised Unabridged Dictionary (1913)

Endmost \End"most`\, a.
   Farthest; remotest; at the very end. --Tylor.

Source : WordNet®

endmost
     adj : being or situated at an end; "the endmost pillar"; "terminal
           buds on a branch"; "a terminal station"; "the terminal
           syllable" [syn: {terminal}]