"Holy day", which was the only sort of day, long ago, when people got time of work. Associated with various Saint's Days.
Eponymy is the derivation of a word from a name.
Do you mean the derivation of the word holiday? In other words where did the word come from? It comes from a combination of holy plus day. Here is a history of the word: http://en.allexperts.com/q/Etymology-Meaning-Words-1474/Word-meaning-2.htm
The word derivative is a derivation of the root word derive. You may make a derivation of my original artwork under the creative commons license.
The derivation of the word mutton is from the French, mouton meaning sheep.
safari
kalokohan
marvelous
The derivation of the word anatomy is from the German: ana = up or apart, and tome = a cutting.
derivation
It is from the Old England.
To Insure Prompt Service
Bubba is a southern derivation on the word "Brother"