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“derivation”
1. The origin, or source, of something; such as, a word or someone's name.
2. The formation of a term, from another one or from a basic form.
3. The historical origin and development of an entry: An etymology is an example of a derivation
4. A mathematical, or logical argument, whose steps show that the conclusion follows necessarily from initial assumptions.
5. The act of obtaining something from a source or issuing from a source.
6. Etymology: from Latin derivare, "to lead or to draw off (a stream of water) from its source".
2. The formation of a term, from another one or from a basic form.
3. The historical origin and development of an entry: An etymology is an example of a derivation
4. A mathematical, or logical argument, whose steps show that the conclusion follows necessarily from initial assumptions.
5. The act of obtaining something from a source or issuing from a source.
6. Etymology: from Latin derivare, "to lead or to draw off (a stream of water) from its source".
Then from Old French deriver. "to flow, to pour out; to originate".
This entry is located in the following units:
-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)
(page 27)
de-
(page 37)
ripari-, ripa-, rip-, riv-
(page 1)