Crossword Genius

Incas came together at the start of epidemic, as a precaution

Ross

I believe the answer is:

incase

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(Other definitions for incase that I've seen before include "In order to allow for eventualities" , "As a precaution" , "For fear that" , "On the off chance" , "Because of the possibility of" .)

I've seen this clue in the Irish Times.
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