Derivation (noun)

1. The process of deriving a word or a form of a word from another or from its original form.
2. The origin or source of a word or phrase.

Origin:

Late middle english: from latin derivatio(n-), from derivare "to lead or draw away", from de- "away" + rivus "stream".

Examples:

1. The word "television" is derived from the Greek words "tele" meaning far and "vision" meaning sight.
2. Etymology is the study of the origin and history of words, including the study of their derivations.
3. The derivation of the word "dictionary" is from Latin "dictionarius" which means "of or for words".
4. The derivation of this word can be traced back to the Latin word "amare" which means "to love".
5. The derivation of the word "biology" is from Greek "bios" meaning life and "logos" meaning study.