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petrify

/ˈpɛ.tɹəˌfaɪ/ verb

In Latin: lapidesco Wiktionary

Origin

From Middle French pétrifier, from Medieval Latin petrificāre, from Latin petra (“rock”), from Ancient Greek πέτρα (pétra, “rock”) + -ficāre, from facere (“do, make”), equivalent to petro- + -ify.

From Wiktionary, via Kaikki.org (CC BY-SA)