perforce
per·force
adverb
1.
by necessity; by force of circumstance
Origin
From Middle English par force, from Anglo-Norman, from Old French par force (“by force”).
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.