χθονός (chthonos)
χθονός is an Ancient Greek form of χθών, meaning “earth, ground, land”. It is the genitive singular feminine noun.
Found 432 times in the Ancient Greek texts on Socratos.
Where it is used
Apollonius Rhodius, Argonautica 1.155: ῥηιδίως καὶ νέρθε κατὰ χθονὸς αὐγάζεσθαι.
Theocritus, Εἰδύλλια 25.73: τοὺς μὲν ὅγε λάεσσιν ἀπὸ χθόνος ὅσσον ἀείρων
Euripides, Helen 168: παρθένοι Χθονὸς κόραι
All forms of χθών (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.