Word Study
ultima
CIDE DICTIONARY
ultima, a. [L., fem. of ultimus last.].
Most remote; furthest; final; last. [1913 Webster]
ultima, n. [L., fem. of ultimus last.].
The last syllable of a word. [1913 Webster]
OXFORD DICTIONARY
ultima, n. the last syllable of a word.
Etymology
L ultima (syllaba), fem. of ultimus last
For further exploring for "ultima" in Webster Dictionary Online