ex vi termini

From Latin, ēx (“out of”) + vī, ablative singular of vīs (“force”) + terminī, genitive singular of terminus (“word”).

ex vi termini

1. by definition
   • 1906, Edmund Burke, quotee, edited by William Jennings Bryan, The World's Famous Orations, volume 6: Ireland, page 28:

     The claim of a privilege seems rather, ex vi termini, to imply a superior power...