petrichor
pet-ri-chor / pĕt-rĭ-kôr
noun the pleasant, earthy smell produced when rain falls on warm, dry ground Petrichor, the smell of rain on dry earth nuzzles the senses and the same feeling is triggered while sniffing the yellowed pages of old books! Navanita Varadpande, “Smell is a gateway to one’s memories” ‘Gulf News’, June 28, 2019 Etymology from the ancient Greek words petra (rock) and ichor (in Homer, the fluid that flows in the veins of the immortal gods; later, any plant juice or thin fluid) Etymology was provided by Allen Ward.