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tetractys. In DICTIOUS you will not only get to know all the dictionary meanings for the word
tetractys, but we will also tell you about its etymology, its characteristics and you will know how to say
tetractys in singular and plural. Everything you need to know about the word
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English
Etymology
Borrowed from Ancient Greek τετρακτύς (tetraktús).
Noun
tetractys
- A triangular figure consisting of ten points arranged in four rows, representing the fourth triangular number and having mystical significance to the Pythagoreans.
2009 July 2, Cintra Wilson, “Riches at Rainbow’s End”, in New York Times:ON the subway home, I noticed that the tattoo-esque logo for Solange includes a honeybee sitting in the middle of what looked like an early design by the 17th-century mystic Jakob Böhme: a flaming tetractys.
Further reading