κεῖθεν (keithen)
κεῖθεν is an Ancient Greek form of ἐκεῖθεν, meaning “from there”. It is the adverb.
Found 47 times in the Ancient Greek texts on Socratos.
Where it is used
Apollonius Rhodius, Argonautica 1.597: κεῖθεν δʼ Εὐρυμενάς τε πολυκλύστους τε φάραγγας
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.