Dictionary formtertius, tertia, tertium
Translation
third
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Examples
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The third day has already come.
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They met at the third hour.
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I read the third book.
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On the third day he rose.
perdidit.
He lost a third of the army.
Tertius, tertia, tertium is the ordinal of tres, and the r shifts across in the derivatives: cardinal tres, tria, ordinal tertius, distributive terni, adverb ter, "three times".
Two habits are worth knowing. Latin counts inclusively, so tertio die means on the third day with today counted as the first, which is why "after three days" and "on the third day" describe the same stretch of time in the Gospels and why arguments about it are usually arguments about Latin rather than about theology. And tertius is the standard word for a neutral outsider to a quarrel, as in tertius gaudens, the third party who profits while the other two fight it out.
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Latin · Free printables
tertius: worksheet, infographic and listicle
Free printable study downloads for the Latin word "tertius" (third): a worksheet with the answer key built in, an infographic, and a sentence listicle. Open any one to view, print or save.
This word is taught in chapter 4, lesson 2: tertius, arbor, quisquis and 7 more words.