Etymology

From Ancient GreekCategory:English terms borrowed from Ancient Greek#ANTICHTHONCategory:English learned borrowings from Ancient Greek#ANTICHTHONCategory:English terms derived from Ancient Greek#ANTICHTHON ἀντίχθων (antíkhthōn), from ἀντί (antí, “against, opposite”) +‎ χθών (khthṓn, “Earth”).

Noun

antichthon (plural antichthons)Category:English lemmas#ANTICHTHONCategory:English nouns#ANTICHTHONCategory:English countable nouns#ANTICHTHONCategory:English entries with incorrect language header#ANTICHTHONCategory:Pages with entries#ANTICHTHONCategory:Pages with 1 entry#ANTICHTHON

1. (obsoleteCategory:English terms with obsolete senses#ANTICHTHON) A hypothetical Earth on the opposite side of the Sun.

   Synonym: counter-earth

   • c. 1818 (date written), Samuel Taylor Coleridge, edited by George Whalley, The Collected Works of Samuel Taylor Coleridge: Marginalia II: Camden to Hutton (Bollingen Series; LXXV), London: Routledge & Kegan Paul; Princeton, N.J.: Princeton University Press, published 1984, →ISBN, paragraph 43, page 557:

     It is curious at least, that his Philosophy obliged Pythagoras, to make the Solar System ${\displaystyle =10}$, tho' his imperfect Astrognosy reduced him to the shift of including the moon, and imagining an Antiχθων ["anti-earth, anti-world"] and taking the whole as a completory Unit—Sun, Mer[cury,] Ven[us,] Earth, Moon, Mars, Jupiter, Saturn, Antichthon ${\displaystyle =9+}$ Solar Syst[em] ${\displaystyle =1=10}$

     Category:English terms with quotations#ANTICHTHON

References

• “antichthon”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.