from The American Heritage® Dictionary of the English Language, 4th Edition
- pro. The objective case of whosoever.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- pro. whichever person, whomever
from the GNU version of the Collaborative International Dictionary of English
- pro. The objective of whosoever. See whosoever.
from The Century Dictionary and Cyclopedia
- The objective case of whosoever.
From whom + soever. (Wiktionary)