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"repair" is also used as a crossword clue. If that's what you saw, the answer is often fix (3 letters).
Definitions
To fix something damaged; also the act of fixing it.
Word origin
Coined between 1300 and 1350 from Middle English repairen, from Middle French reparer, from Latin reparō (“renew, repair”).
Used in a sentence
“to repair a house, a road, a shoe, a ship”
“to repair a shattered fortune”
“Secret refreſhings, that repair his ſtrength,”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Fix what's broken”6 letters
02“Fix”6 letters
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