To obtain or receive (something) from something else.
To deduce (a conclusion) by reasoning.
To originate or stem (from).
To create (a compound) from another by means of a reaction.
To find the derivation of (a word or phrase).
To turn the course of (water, etc.); to divert and distribute into subordinate channels.
To collect what is left behind (grain, grapes, etc.) after the main harvest or gathering.
To gather information in small amounts, with implied difficulty, bit by bit.
To gather what is left in (a field or vineyard).
To frugally accumulate resources from low-yield contexts.
A collection made by gleaning.