Excavate Definition
(zoology) A major grouping of unicellular eukaryotes, of the clade Excavata.
Origin of Excavate
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Known since 1599, from Latin excavātus (“hollowed out”), perfect passive participle of excavō (“hollow out”), from ex (“out”) + cavō (“make a hole”), from cavus (“cave, hole”).
From Wiktionary
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Latin excavāre excavāt- to hollow out ex- ex- cavāre to hollow (from cavus hollow keuə- in Indo-European roots)
From American Heritage Dictionary of the English Language, 5th Edition
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