estivate

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es·ti·vate / ˈestəˌvāt/ (also aes·ti·vate) • v. [intr.] Zool. (of an animal, particularly an insect, fish, or amphibian) spend a hot or dry period in a prolonged state of torpor or dormancy.ORIGIN: early 17th cent. (in the sense ‘pass the summer’): from Latin aestivat-, from aestivare ‘spend the summer,’ from aestus ‘heat.’