from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Condition; state; quality: manhood.
- suffix An instance of a specified state or quality: falsehood.
- suffix A group sharing a specified state or quality: sisterhood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix A condition or state of being the thing or being in the role denoted by the word it is suffixed to, usually a noun.
- suffix A group sharing a specified condition or state.
from the GNU version of the Collaborative International Dictionary of English
- A termination denoting state, condition, quality, character, totality, as in manhood, childhood, knighthood, brotherhood. Sometimes it is written, chiefly in obsolete words, in the form -head.
Middle English -hed, -hode, from Old English *-hǣdu, -hād.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old English -hād, from Proto-Germanic *haiduz, via Middle English -hode (compare -head). Cognate with German -heit, Dutch -heid, Swedish -het, Norwegian -het/-heit, Danish -hed. The Swedish, Norwegian and Danish endings are borrowed from West Germanic. (Wiktionary)