nugget
n. countablen. a small, solid piece of something valuable, like gold or food. It can also mean a short but very useful piece of information.
n. a small, compact lump of a precious metal or a bite-sized piece of food. Frequently used metaphorically to describe a discrete, valuable item of information or wisdom.
The miner found a small gold nugget in the river.
The podcast was full of interesting nuggets of advice for new business owners.
While the lecture was long and dry, it contained several nuggets of historical insight that proved invaluable for my research paper.
Uncertain, first attested in reference to animals & people in Scotland and in reference to ore chunks in Australia. Possibly from southern English nug (“lump, block”) or Scottish knudge/nudge (“short, sturdy person or animal”) + -et (“forming diminutives”) or from rebracketed alteration of an ingot as a ni(n)got.
Often used in the construction 'nugget of' followed by an abstract noun like 'wisdom', 'truth', or 'information'.