“Whenever it rains, and its earthy scent — the petrichor — hits my senses, memories come flashing and I go back in time.”
― Shon Mehta
a pleasant smell that frequently accompanies the first rain after a long period of warm, dry weather.
There is not much history or usage examples easily found on the internet for this word. Perhaps that is because it seems to be a rather new word.
1960–65; petro-1 + ichor (in the classical mythology sense “ethereal fluid”)
(Info from dictionary.com)
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