IdiomDaily LifeEnglish

see something through

Meaning: To finish something one has started.

Example: “The project was difficult, but she saw it through to the end.”

Origin: Combines "see" and "through" in a verb pairing documented since around 1400, built on the same visual metaphor for mental understanding found across many unrelated languages — perceiving something clearly is treated as a kind of seeing, even when nothing is literally being looked at. "See something through" specifically, meaning to stay committed to an undertaking until it's genuinely finished rather than abandoning it partway, extends that visual metaphor into a spatial one: continuing to look, and to act, all the way to the far side of a task rather than stopping short partway across.

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