noun A leading or drawing off of water from a stream or source.
noun The act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence.
noun The act of tracing origin or descent; an instance thereof (for example, an etymology).
the derivation of a word from an Indo-European root
noun Forming a new word by changing the base of another word or by adding affixes to it.
noun The state or method of being derived; the relation of origin when established or asserted.
noun That from which a thing is derived.
noun That which is derived; a derivative; the result of a deduction.
noun The process of deriving one thing from another, especially in logic; a deduction. A formal proof: a sequence of statements, each of which is logically entailed by those preceding (with respect to some collection of rules of inference), the initial statements being taken as axioms.