prevailment

From prevail +‎ -ment.

prevailment (countable and uncountable, plural prevailments)

1. (obsolete) prevalence; superior influence or efficacy
   • c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene i]:

     messengers
     Of strong preuailment in vnhardned youth

• “prevailment”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.