deriving (Noun) — (historical linguistics) an explanation of the historical origins of a word or phrase.
deriving (Verb) — (logic) reason by deduction; establish by deduction.
deriving (Verb) — Have the benefit of; obtain something desirable. ex. "derive pleasure from one's garden"
deriving (Verb) — Come from. ex. "The present name derives from an older form"
deriving (Verb) — Develop or evolve from a latent or potential state.
deriving (Verb) — Be connected by a relationship of blood, for example. ex. "he derives from humble origins"