[ dɪ'rʌɪv ]
■ verb
1》 ( ~ something from ) obtain something from (a specified source).
↘base something on a modification of: Marx ~d his philosophy of history from Hegel.
↘ Mathematics obtain a function or equation from another, especially by differentiation.
2》 ( ~ 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. ~r or L. derivare , from de- 'down, away' + rivus 'brook, stream'.