IdiomDaily LifeEnglish

get to the bottom of it

Meaning: To discover the real cause or truth of a matter.

Example: “Someone keeps taking my lunch from the office fridge, and I'm going to get to the bottom of it.”

Origin: "Bottom" meant the deepest ground of something by Shakespeare's time — Romeo and Juliet speaks of "the bottom of my grief." Getting to the bottom of a matter, in the sense of finding out the truth, is recorded from the late 17th century.

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