[d?'r??v]
¦ verb
1. (derive something from) obtain something from (a specified source).
base something on a modification of: Marx derived his philosophy of history from Hegel.
Mathematics obtain a function or equation from another, especially by differentiation.
2. (derive from) have as a root or origin; originate from.
Derivatives
derivable adjective
Origin
ME (in the sense 'draw a fluid through or into a channel'): from OFr. deriver or L. derivare, from de- 'down, away' + rivus 'brook, stream'.